diff -r 11e17f300447 -r b888750b6ae5 virtualenv/web/res/res_create_env.py
--- a/virtualenv/web/res/res_create_env.py	Fri Jun 08 18:51:00 2012 +0200
+++ b/virtualenv/web/res/res_create_env.py	Sat Jun 09 01:57:40 2012 +0200
@@ -22,6 +22,7 @@
     ])
 
 INSTALLS.extend([ #(key,method, option_str, dict_extra_env)
+    ('PYTZ', 'pip', None, None),
     ('SOUTH', 'pip', None, None),
     ('PIL', 'easy_install', None, None), 
     ('DJANGO','pip', None, None),
@@ -41,7 +42,7 @@
 
 if system_str == "Darwin":
     INSTALLS.extend([
-    ('LXML', 'easy_install', None, {'STATIC_DEPS': 'true', 'LIBXML2_VERSION': '2.8.0', 'LIBXSLT_VERSION': '1.1.26', 'LIBICONV_VERSION': '1.14'}),
+    ('LXML', 'easy_install', None, {'STATIC_DEPS': 'true', 'LIBXML2_VERSION': '2.7.8', 'LIBXSLT_VERSION': '1.1.26', 'LIBICONV_VERSION': '1.13.1'}),
     ])
 else:
     INSTALLS.extend([