I'm looking to build a new PC, I need it to be generally quick; opening programs, boot time. I tend to have quite a few windows open at a time and I would like to be to run my video encodes in the background using Ripbot264, however this is not essential. I would like to run Vista x64 on this machine, upgrading to Windows 7 x64 when the final version is released.
I already have a PSU it's 500w with the name Magna, I bought it a year back and can't remember the full spec of it. I would prefer to keep that, but if a new one is needed then that's not a problem.
I also have a ATI Sapphire x1950pro, I would like to keep that too, since I don't game on the PC, then it would only be to power Photoshop CS4 on my Samsung T220HD monitor. I'm pretty sure that will be OK.
Moving on, I have a SATA II 320gb Western Digital 7200 hard drive from my old computer which I will be using in the new build, it has 32mb cache.
wait for the athlon II quad's, They will only be £50-60 and be 45nm based so will overclock very well. You'd also need a new motherboard with that too and current IGP's outperform your x1950pro so there's no point in using more energy for less performance.