Two people have asked me this in as many days and I finally found the right link.  Let's hope search keeps improving.  But anyway if you are a C++ developer still plugging away on Visual C++ 6.0 and wondering what the pros and cons (AKA "pitfalls") are going to be when upgrading to Visual C++ 2005 (8.0) and lucky enough to find this blog entry, here is the link to the C++ documentation on the topic:  http://msdn.microsoft.com/visualc/previous/migrating/default.aspx