>After you have it converted and the solution is opening without errors. Rename the hidden .suo file. If the project is storing the sort order it's in that file, not in the .sln file. VS should recreate the .suo when you load the .sln file.

No, that doesn't work, either ... but it was a good suggestion! =0)

But I finally found the answer. My solution uses Solution Folders and I'm betting that's what is throwing off the IDE (or the converter). Anyway, the answer is to, after doing the conversion, make sure that every solution folder is *NOT* expanded, then close and Save the solution, open it back up again and everything is back to being in order! Definitely a bug!!

I've submitted a Feedback to MS about it in case anyone's interested (apparently you can vote on these issues and maybe that gets them fixed faster, I don't know): https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=327358

~~Bonnie