Already doing it...
Due to how much of a pain in the ass it was to get the store converted into a UK version I'm actually already offering this service on the Jobs board!.. I'm also offering a similar service where I'll totally scrub all of the some what annoying back links to web assist too!..
if anyone's interested, (or just wants more info!) check out the links here:
Powerstore 3 -Change Currency!.. (From $ to £, or any other currency!!)
Powerstore 3 -Scrubbed! (All Web links to Webassist removed & replaced with your own!