wine users - Aug 2011 - Team Fortress 2 Crashing After A Few Minutes of Playing

This problem has already been addressed on the AppDB for TF2, and it's been
announced that it's due to the video card and mainly occurs with ATI video
cards, which I currently have.

However, I'm wondering if there's been a solution to this from either
the Wine community or ATI themselves. I haven't been able to find anything
on either official support website.

Note: I do have the proprietary device drivers included.