diff --git a/hack2.cabal b/hack2.cabal
--- a/hack2.cabal
+++ b/hack2.cabal
@@ -1,5 +1,5 @@
 Name:                 hack2
-Version:              2011.6.19
+Version:              2011.6.20
 Build-type:           Simple
 Synopsis:             a Haskell Webserver Interface (V2)
 Description:
diff --git a/readme.md b/readme.md
--- a/readme.md
+++ b/readme.md
@@ -6,7 +6,7 @@
 Version
 -------
 
-> 2011.6.10
+> 2011.6.19
 
 Introduction
 ------------
@@ -28,10 +28,17 @@
     {-# LANGUAGE OverloadedStrings #-}
 
     import Hack2
+    import Hack2.Contrib.Response (set_body_bytestring)
+    import Hack2.Handler.HappstackServer
+    import Data.Default (def)
 
     app :: Application
-    app = \env -> return $
-      Response 200 [ ("Content-Type", "text/plain") ] "Hello World"
+    app = \env -> 
+      return $ 
+        set_body_bytestring "Hello World" $
+          Response 200 [ ("Content-Type", "text/plain") ] def
+
+    main = run app
     
 
 Spec
@@ -47,7 +54,7 @@
 * __httpHeaders__: Variables corresponding to the client-supplied HTTP request headers (e.g. "Accept"). The presence or absence of these variables should correspond with the presence or absence of the appropriate HTTP header in the request. 
 * __hackVersion__: The list of `Int`, representing this version of Hack
 * __hackUrlScheme__: `HTTP` or `HTTPS`, depending on the request URL. 
-* __hackInput__: The body of the request.
+* __hackInput__: The body of the request, enumerator style.
 * __hackErrors__: The error stream.
 * __hackHeaders__: None standard http headers.
 
@@ -56,7 +63,7 @@
 
 * __status__: This is an HTTP status. It must be greater than or equal to 100. 
 * __headers__: The header must not contain a Status key, contain keys with : or newlines in their name, contain keys names that end in - or _, but only contain keys that consist of letters, digits, _ or - and start with a letter. The values of the header must be Strings, consisting of lines (for multiple header values) separated by “\n”. The lines must not contain characters below 037.
-* __body__: The body of the response.
+* __body__: The body of the response, enumerator style.
 
 ### Properties
 
@@ -76,6 +83,10 @@
 
     cabal install hack2
 
+### install some hack helpers
+  
+    cabal install hack2-contrib
+
 ### pick a backend
 
     cabal install hack2-handler-happstack-server
@@ -87,14 +98,15 @@
     {-# LANGUAGE OverloadedStrings #-}
 
     import Hack2
+    import Hack2.Contrib.Response (set_body_bytestring)
     import Hack2.Handler.HappstackServer
+    import Data.Default (def)
 
     app :: Application
-    app = \env -> return $ Response 
-        { status  = 200
-        , headers = [ ("Content-Type", "text/plain") ]
-        , body    = "Hello World"
-        }
+    app = \env -> 
+      return $ 
+        set_body_bytestring "Hello World 2" $ 
+          def { headers = [ ("Content-Type", "text/plain") ] }
 
     main = run app
 
@@ -110,23 +122,22 @@
 
 ### demo usage of middleware
 
-install hack2-contrib:
-
-    cabal install hack2-contrib
-
 put the following in `Main.hs`. This code uses the `URLMap` middleware to route both `/hello` and `/there` to the `say` application.
 
     {-# LANGUAGE OverloadedStrings #-}
-    
+
     import Hack2
+    import Hack2.Contrib.Response (set_body_bytestring)
     import Hack2.Handler.HappstackServer
-    import Hack2.Contrib.Utils
-    import Hack2.Contrib.Middleware.URLMap
+    import Data.Default (def)
+
     import Data.ByteString.Lazy.Char8 (pack)
-    import Data.Default
-    
+    import Hack2.Contrib.Utils (empty_app)
+    import Hack2.Contrib.Middleware.URLMap
+
+
     say :: Application
-    say = \env -> return $ def {body = pack $ show env, status = 200}
+    say = \env -> return $ set_body_bytestring (pack $ show env) def
 
     app :: Application
     app = url_map [("/hello", say), ("/there", say)] empty_app
@@ -175,7 +186,7 @@
 Upgrade
 -------
 
-With every new release, any library links to Hacks should be recompiled against the new version, usually as simple as:
+With every new release, any library links to Hack2 should be recompiled against the new version, usually as simple as:
 
     cabal install linked_lib --reinstall
 
diff --git a/src/Hack2.hs b/src/Hack2.hs
--- a/src/Hack2.hs
+++ b/src/Hack2.hs
@@ -6,8 +6,8 @@
 import Data.Default (def, Default)
 import System.IO (stderr)
 
-import Data.ByteString.Lazy (ByteString)
-import qualified Data.ByteString.Lazy as B
+import Data.ByteString (ByteString)
+import qualified Data.ByteString as B
 import qualified Data.ByteString as Strict
 
 import Data.Enumerator (Enumerator, enumEOF)
@@ -35,9 +35,6 @@
 
 instance Default HackErrors where
   def = HackErrors (B.hPutStr stderr)
-
-instance Eq HackErrors where
-  _ == _ = True
 
 newtype HackEnumerator = HackEnumerator { unHackEnumerator :: (forall a. Enumerator Strict.ByteString IO a) }