Hi Richard,
ASRock K7S41. I didn't choose it as such. It was already installed.
I did look at the Dell site to start with, but although the advertised machines start off at arouind £370 ($500 ish), once you start specifying anything, the price rockets. You can't for instance not have a monitor. I've already got a bullet proof HP 17" CRT, that will go on for ever, (famous last words??

) so that would have been an un-necessary expense.
I got mine from the local PC shop in Bracknell, Millenium Computers. It comes with a year's back to base warranty, and they're a 30 second walk from work. Base Unit, and standard PS2 keyboard and mouse. I've already sold the keyboard on at retail price, to someone who managed to jam his Ctrl button, but I'll keep the mouse as a spare.. my other spare doesn't have a scroll wheel.
I installed all my spyware progs, but forgot to update Adaware. In three days, I managed 200 critical finds.. that'll teach me.
Off out for a beer now, catch you all later.
Cheers
Liam