Hi, I’ve just instaled nightly Blender v2.72 with V-Ray additions. Beside this i have standard v2.72b instaled. Both have the same config directory http://wiki.blender.org/index.php/Doc:2.6/Manual/Introduction/Installing_Blender/DirectoryLayout, so changing settings in one of them make mess in configuration in second version. I need to work on both of them because some of addons dont work on vray version. Is any way to create and change directory for vray config? Thanks for reply! 
Sorry for late response, but thank you very much it worked!