[Eric Coffey]

Other possible options:
http://www.knollsystems.com/prod-amp-gs12.html
http://www.knollsystems.com/prod-amp-mr1250vvf.html
http://www.knollsystems.com/prod-amp-mvp64.html

Look no-nonsense, and decently built (torroidal transformer, etc.).

Here's one on fleabay:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170232114355

or maybe:
http://www.russound.com/r1250mc.htm


Or, you could always go the studio/industrial route with a rack-mount stack of Crown amps or the like...