What he doesn't mention in the post is that he's using GAT to integrate this conversion functionality into VS05."
[via DevHawk]
I don't think a lot of us will have lots of use for this just yet, but it's good to know it's there.
Alternatively, you can simply do some Quick & Dirty Compatibility: Add some namespace aliases and "Find and Replace" to make things work on VSTS. I bet that's what the tool does too, but I haven't checked it out yet.