Update:
Have ordered the CPU(q9450 for 185 pounds) and the RAM(4gb corsair 8500 5-5-5-15) before the today offer ended in Scan..
I have also ordered the graphics card because I found a great bargain here:
XFX GTX260 XXX Edition £163.48 delivered.. I found it to tempting to let it by, so I changed my initial video card plans (163 pounds including delivery!).