If gaming is your need then suggest going for the Intel i5 760 and pair it with a nice P55 board. The Thubans are not that great in gaming. The 1095T gives almost the same performance as the i7 930, but considering the i7 950 is almost the same as the 930, the i7 950 also is great buy for gaming and other applications.
its inspiron 570 - to be honest ive pretty much changed the system - everything besides the mobo and processor. i saw the amd phenom II x4 970 (3.50GHz) for £140 then a decent Asus mobo for 80-100 quid. Im not fussed over cores as i will rarely use all 6 cores of a IIx6 - id rather the clock speeds of a quad core which will give me better performance.