Another update. I have just now successfuly gotten CS:S to run flawlessly in CrossOver Mac

There are a few small text/font glitches and sometimes a rendering flicker but other than that it runs awesome! I can't wait until the final release of this program, it's going to be sooooo sweet.
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Asus Sabertooth 990FX | AMD Phenom II X6 1090T | 16gb G.Skill Ripjaws X DDR3 | Thermalright Silver Arrow
2 x Sapphire HD 6870 1gb CrossfireX | LG 10X Blu-Ray Rewriter | PCP&C Silencer 750 Quad | Fractal Design R3 Case
60Gb Patriot Pyro SATA III SSD | 1Tb WD Black | 3 x 2Tb WD Green | 2 x 360Gb Seagate Barracuda