the antec cases Holst was talking about are also found under the heiftec brand at
www.overclockers.com and I think
www.tekheads.co.uk do the newer scorpio ones.
Also the new Thermal take TruPower (or something like that)
PSU's are made to give 99-100% efficiency unlike most
PSu's that give around 60-70%, Also they are apparently quiet, reasonably priced and in the reveiw of it the guy modded the Connector and managed to power 2 mobos at the same time off the one
PSU.
Read Here
http://www.overclockers.com/articles613/