diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/ColQuery.java b/querydsl-collections/src/main/java/com/mysema/query/collections/ColQuery.java
index 56c06459b..3fb13b298 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/ColQuery.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/ColQuery.java
@@ -71,7 +71,7 @@ public class ColQuery<S extends ColQuery<S>>{
     }
     
     @SuppressWarnings("unchecked")
-    public S where(Expr.EBoolean o) {
+    public S where(Expr.EBoolean... o) {
         query.where(o);
         return (S)this;
     }
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/ExprFactory.java b/querydsl-collections/src/main/java/com/mysema/query/collections/ExprFactory.java
index 7e18348e5..2f311739f 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/ExprFactory.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/ExprFactory.java
@@ -22,38 +22,28 @@ import com.mysema.query.grammar.types.Path.*;
  * @author tiwe
  * @version $Id$
  */
+// TODO : consider moving this later to querydsl-core
 class ExprFactory {
     
-    private static final PString str = new PString(PathMetadata.forVariable("str"));
-    
     private static final ExtString strExt = new ExtString(PathMetadata.forVariable("str"));
-    
-    private final Map<String,PString> strToPath = new PathFactory<String,PString>(new Transformer<String,PString>(){
-        public PString transform(String str) {
-            return new PString(md());
-        }        
-    });
-    
+        
     private final Map<Object,PSimple<?>> simToPath = new PathFactory<Object,PSimple<?>>(new Transformer<Object,PSimple<?>>(){
         public PSimple<?> transform(Object arg) {
             return new PSimple(arg.getClass(), md());
         }    
     });
-
     
     private final Map<Object,PComparable<?>> comToPath = new PathFactory<Object,PComparable<?>>(new Transformer<Object,PComparable<?>>(){
         public PComparable<?> transform(Object arg) {
             return new PComparable(arg.getClass(), md());
         }    
     });
-
     
     private final Map<String,ExtString> strToExtPath = new PathFactory<String,ExtString>(new Transformer<String,ExtString>(){
         public ExtString transform(String str) {
             return new ExtString(md());
         }        
     });
-
     
     private static long counter = 0;
         
@@ -68,13 +58,8 @@ class ExprFactory {
         return (PComparable<D>) comToPath.get(arg);
     }
     
-    public PString create(String arg){
-        return strToPath.get(arg);
-    }
-    
-    public ExtString createExt(String arg){
+    public ExtString create(String arg){
         return StringUtils.isEmpty(arg) ? strExt : strToExtPath.get(arg);
-//        return strToExtget(arg);
     }
     
     @SuppressWarnings("unchecked")
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/MiniApi.java b/querydsl-collections/src/main/java/com/mysema/query/collections/MiniApi.java
index b63b9899c..5b4b3c903 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/MiniApi.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/MiniApi.java
@@ -7,8 +7,6 @@ package com.mysema.query.collections;
 
 import java.util.Arrays;
 
-import org.apache.commons.lang.StringUtils;
-
 import com.mysema.query.grammar.Grammar;
 import com.mysema.query.grammar.OrderSpecifier;
 import com.mysema.query.grammar.types.Expr;
@@ -30,10 +28,24 @@ public class MiniApi {
     
     private static final Path.PSimple<Object> it = new Path.PSimple<Object>(Object.class,PathMetadata.forVariable("it"));
     
+    /**
+     * Create a new ColQuery instance with the given array bound to the default variable, which can be accessed via $()
+     * 
+     * @param <A>
+     * @param arr
+     * @return
+     */
     public static <A> ColQuery<?> from(A... arr){
         return from(Arrays.asList(arr));
     }
     
+    /**
+     * Create a new ColQuery instance with the given collection bound to the default variable, which can be accessed via $()
+     * 
+     * @param <A>
+     * @param col
+     * @return
+     */
     public static <A> ColQuery<?> from(Iterable<A> col){
         return from(MiniApi.<A>$(), col);
     }
@@ -67,7 +79,7 @@ public class MiniApi {
     }
     
     public static ExtString $(String arg){
-        return exprFactory.createExt(arg);
+        return exprFactory.create(arg);
     }
 
     public static Path.PBooleanArray $(Boolean[] args){
diff --git a/querydsl-collections/src/test/java/com/mysema/query/collections/MiniApiTest.java b/querydsl-collections/src/test/java/com/mysema/query/collections/MiniApiTest.java
index 0df50340a..084b97a3b 100644
--- a/querydsl-collections/src/test/java/com/mysema/query/collections/MiniApiTest.java
+++ b/querydsl-collections/src/test/java/com/mysema/query/collections/MiniApiTest.java
@@ -39,20 +39,30 @@ public class MiniApiTest {
         myInts.add(4);        
     }
     
+
     @Test
-    public void testVarious(){
+    public void testVarious1(){
         for(String s : from($("str"), "a","ab","cd","de")
-                      .where($("str").startsWith("a"))
-                      .iterate($("str"))){
+                .where($("str").startsWith("a"))
+                .iterate($("str"))){
             assertTrue(s.equals("a") || s.equals("ab"));
             System.out.println(s);
         }
-        
-        for (Object o : from(1,2,"abc",5,3).where($().ne("abc"))
-                       .iterate($())){
+    }
+    
+    @Test
+    public void testVarious2(){
+        for (Object o : from(1,2,"abc",5,3).where($().ne("abc")).iterate($())){
             int i = (Integer)o;
             assertTrue(i > 0 && i < 6);
             System.out.println(o);
+        }                
+    }
+    
+    @Test
+    public void testVarious3(){
+        for (Integer i : from($(0),1,2,3,4).where($(0).lt(4)).iterate($(0))){
+            System.out.println(i);
         }
     }