Congratulations on your new PC, but switch the Intel Graphics for some NVIDIA or ATi ;P.
I remember with my Duron 800, I don't know how I could emulate the Mac on that thing

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Main PC AMD Athlon X2 5200+ 2.7GHz | 2GB DDR2-800 | ASUS M2N-SLI | 2x Albatron GeForce 8500 GT 256MB | Creative SoundBlaster Live! 5.1 | Creative Inspire P5800 5.1 speakers | 450W Power Supply | Fedora 9 (predominantly) | Windows XP Pro SP3