For video editing, the i7 is a no-brainer. Look for a high quality PSU from Corsair, PC Power & Cooling, Antec, etc... For i7, look for DDR3 1333 or 1600 RAM that runs at 1.65v or less. There are some pretty good X58 boards out now for around $250 US. I know newegg isn't an option for you since you're from the UK, but I'll link a couple just so you can check out the specs.
PC Power & Cooling S75CF 750W EPS12V SLI NVIDIA SLI Certified (Dual 8800 GTX and below) CrossFire Ready 80 PLUS Certified Active PFC Power Supply - Retail
http://www.newegg.com/Product/Prod [...] 6817341011
just looked at the cpu graphs and it does come in quicker up to a 3rd on somethings... but the motherboards and ram is sooo expensive, wont a fully spec'd p45 board and 16gb of ram with a 9550 be better than 6gb of 3channel ddr3 and the cheapest i7 chip?
16 GB of DDR2 RAM is very expensive with 4x4 GB sticks. For a i7 build 3x2 GB of DDR3 1333 RAM at $145, X58 mobo at $185 AR, and i7 920 CPU at $290 would be a much better solution.
You are about to answer a thread that has been inactive for more than 6 months. If you still wish to proceed, please ensure that your posting is original and does not duplicate or overlap any prior responses to this thread.