In reply to dek:
Don't get a mac, you'll pay twice the price for half the specs.
Like most of the junk pcworld sell you're getting ripped off with this tower. Plus you'll end up with so much shitware installed it'll be slow right off the bat, plus windows8. Go with itsThere's suggestion, though I'd get rid of the security package they install for something that doesn't suck.
If you intend to stream any kind of movies on it (or do any kind of gaming) make sure you add a graphics card to the build.