Finally taken the plunge, went for a i5 2400, ASRock H67M-GE motherboard and Mishkin Silver light two times 2 GB 1600 1.5v
It came to about is £280, that is quite a scary amount as I am between jobs at the moment. The only reason I went for the ASRock H67M-GE is that it was the only one the combination of features I was after I wanted an old-style PCI slot plus a 16 times mini PCI and a d sub VGA output. and esata on rear port. no crossfire needed.
I have to say I'm having a few second thoughts now, when a Phenom2 555 would have done the job nicely. And saved me £70. Well I've done it now, it arrives Monday.
It will be replacing a single core Athlon 3200 +