just had a look on the bay and a new one can be had for £200, which isn't too bad, but there must be someone around with a knackered t3 on a shelf woth a housign in good nick.
maybe try a turbo place and they may have one sat around
or get this one when it finishes for next to nothing:
http://cgi.ebay.co.uk/COSWORTH-T03-T...item414a3fc8b5