I don't understand the need of people to get random metal-raped cases that will only stick into a side of desk where you will barely use for except plugging in USB, turning PC on, DVD/CD-R/W and... Nope, that's quite it.
As long as it's one functional son of a bitch, I don't care about my case.
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http://193.25.112.104/images/mari/diaxxa-office-amd-athlon-ii-x2-250-2gb-ddr3-1333-mhz-500gb.jpgThis stores a i5, GTX 460, 4 GB DDR3 RAM and a 2 terrabytes hard drive. And I have it.
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I mean seriously, it's not like you will take your PC and put it up in a exhibition. You will stick it in your desk and leave it there until you need to access the back or do some maintenance.