realXtend and PC-Mac issues

Minimum system requirements for realXtend Viewer:

Windows XP/Vista
A graphics card with shader model 2.0 support,
128 MB graphics card memory and up-to-date OpenGL drivers
512 MB system memory
Pentium 2 GHz / AMD 3000 processor

installed Boot Camp with Windows XP on my iMac
Parallels, which is awesome and allows virtualization of Windows in a Mac windows, but it doesn’t play nicely with video-card heavy applications like Second Life,

Tutorial on capturing SL machinima using FRAPS and virtual Windows on Mac