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I have just bought Grand Theft Auto San Andreas, which runs beautifully on my XP install, but on my ubuntu9.04-wine/stable install it runs very very very jerkily. Unreal tornaument works better in wine thanit does on windows so yeah. And ideas how to improve the performance? Ive done the directx registry edits, not much of a change.

...both the Funtoo and Ubuntu 10.04 to best of my ability - thought I had to proceed with the installing from disc bits, though, as I'd misplaced the directory and so thought it wasn't finished installing until it had done these. Also: Will play the opening videos, but horrifically slowly and jerkily, and crashes either at press of escape or when it finishes videos and attempts to reach main menu. I am uncertain how to proceed, your assistance is appreciated.