Hello All, I am going to buy 27'' iMac for: 1. WoW playing 2. 1080p Video Editing, 3. Small PhotoShop documents, 4. Computer Standard (internet, music) I am causal user - I don't use computer for living. I can buy for the same price: 27'' i3 - 2010 or 27'' i5 qc 2.66GH 4850 512MB Which should I choose? Thank you in advance!