If you're a Mac user, you know: everything you buy from Apple or peripheral makers carries "Mac Tax". In EVGA's case, Mac Tax on is exactly $100, but only $50 more than a 4870 512MB.

While the promise of ultra-cheap Macs that can match commodity PC clones on price seems God-given, in reality such move wouldn't necessarily translate into a justifiable market share gains.

A biased journalist claimed that Mac will save you $600 over a PC for work in Adobe's Photoshop. We decided to check that claim as it just happened that we needed a machine for Photoshop and Premiere.