Buildin a gaming computer. Potential Mac convert

Steeeeeve

Honorable
Mar 13, 2013
29
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10,530
So, my parents are still using our Macs from '07 and don't really mess with computers. Now that I'm older and have my own money I thought it'd be kinda fun to build my own gaming computer so I can play the newer games and MMOs better. However, because we are currently a Mac family, I don't have any parts I could scavenge except a mouse. (side note: I've done some research on the actual building, but I've never even had to install RAM so it's a little intimidating).

Aside from all that, I've done some research on some parts already and am willing to spend (a flexible) $1000 for monitor keyboard and all. I need help deciding what build I should go with to minimize complete overhauling in the future and cost. I found an intel Core i7 3770K 3.5GHz LGA 1155 Processor for $250 which is good because I think it doesn't need the new 2011 motherboard. I also think I want the AMD Radeon 7870 because it has good performance for a decent price.

Other than these things I have almost no idea how to approach this and am nervous about buying incompatible parts and/or ruining parts during building.