You could ask on our UK forum: http://www.tomshardware.co.uk/
There was a guide around here for overseas sources (overseas to us U.S. folks); I'll see if I can find it and post a link.
Looking at buying a new server and have seen Supermicro is good so question is where do i buy it from?
in uk btw
Give me a call at redacted by moderator (ask for me by name) on redacted by moderator. I can help you find a decent solution. We only deal with Supermicro equipment and can fully customise to make sure its suitable for your needs.