http://bugs.winehq.org/show_bug.cgi?id=9659
--- Comment #19 from Stefan Dösinger stefandoesinger@gmx.at 2007-11-06 05:21:39 --- fwiw, I'm running guild wars without issues on my nvidia boxes and my mac with an X1600 under MacOS. So it looks like an fglrx-centric issue.
What happens in Guild Wars if you use the -noshaders launch option?