for a quick search here are a few ill list + and - to each.

http://www.newegg.com/Product/Produc...82E16883227481
+ Good CPU,GPU,ram, SSD +hdd windows 7 (hell yea)

50/50 gpu is ok and the best of the 3
- it is the highest priced. $919.99

http://www.newegg.com/Product/Produc...82E16883229495
+ Great cpu,good ram, more hhd space

50/50 gpu is second best of the 3 - $799.99

-No SSD,windows 8

http://www.newegg.com/Product/Produc...82E16883229496
+ Great cpu,good ram BEST price $599.99

-No SSD,windows 8,small hdd and worst gpu out of the 3.