diff -r 2a560b1d8f95 -r 878dfb718eae autobuild/autobuild_tool_source_environment.py
--- a/autobuild/autobuild_tool_source_environment.py	Mon Apr 11 11:27:46 2011 -0400
+++ b/autobuild/autobuild_tool_source_environment.py	Mon May 16 17:55:32 2011 +0100
@@ -276,7 +276,7 @@
         try:
             vs_ver = os.environ['AUTOBUILD_VSVER']
         except KeyError:
-            vs_ver = "80"
+            vs_ver = "100"
             
         var_mapping.update(load_vsvars(vs_ver))
         var_mapping.update(AUTOBUILD_EXECUTABLE_PATH=("$(cygpath -u '%s')" % common.get_autobuild_executable_path()))