There was a lot of noise around here when the Corsair Builder Series PSU's were released, mainly around the fact that they were not 80 Plus Certified. Corsair have upgraded some components in the range and they are now 80 Plus Certified (standard): http://www.plugloadsolutions.com/80PlusPowerSuppliesDetail.aspx?id=25&type=2. Jonnyguru have reviewed the CX430 and given it 9/10: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=239. The CX430 V1 is on Scan's Today Only right now for £29.99 (note; NOT the V2 version though - shame).
Thanks Ph4Zed. I guess it's one of those expressions that aren't immediately evident. Now if I could only find someone to explain other expressions I can't find in a dictionary, like something being "the tits" or "cheesecake".