Maximum PC

Hey.

i do alot of gaming and 3d graphics work, with alot of autoCAD, Photoshop and Maya.
my pc is currently running ok, however i would like to give it abit of an upgrade.
i seem to have two paths i could go with what i have, and i was wondering what path everyone would suggest, and any advice on parts and pricing??

heres the lowdown! i have put the parts i would buy in brackets.

My pc is currently-

Asus P6T SE MB
Intel Core i7 920
Corsair 250gb SATA 3 6gb’s
Nvidia GeForce GTX560ti
6GB Ram
750 PSU
700GB Hard Drive
Fractal Define R3

Possible Change no1-

Asus P6T SE – (Asus P6X58-E WS)
Intel Core i7 920 – (New heatsink-cogage true spirit 120mm fan 1366)
Corsair 250gb SATA 3 6GB’s
Nvidia Gefore GTX 560ti - (+a second for sli)
6GB Ram – (6GB additional Ram)
750 PSU
(1TB HD HD Seagate Barracuda)
700GB Hard Drive
Fractal Define R3


Possible Change no 2-

(Asus P8Z77-V Pro MB)
(Intel Core i7 3770K)
Corsair 250gb SATA 3 6GB’s
Nvidia Gefore GTX 560ti - (+1 sli £150) (or sell 560ti-£120/180 if I can get amazon to take back as its been faulty in the past) and use that to buy 660ti)
6GB Ram – (6GB Ram (or sell my current ram and buy 32GB separate??)
750 PSU
(1TB HD Seagate Barracuda)
700GB Hard Drive
Fractal Define R3

they are the two builds showing what i would buy and what would be kept.
any advice would be greatly appreciated.??
thanks