The rack houses 7 Crown PSA-2 amps. Spec's are here:

http://www.crownaudio.com/pdf/legacy/k1071-8.pdf

I like 'em. I've owned one of them for ~15 years, driving my main speakers, and just recently (after buying the 990), upgraded all of my amps to them... found a sweet deal on a group of used ones.

Even though I'm not pushing them very hard, they will warm up a room. Plus, they do elicit some cooling fan noise; so getting them into a separate room (storage room shares a wall with my theater room) has proven to be a good move. I ran 3 20amp circuits from my breaker box, and hooked up individual switched outlets for each amp (switches are near the 990 and other equipment- so I don't have to go back into the storage room to turn them on/off.

To help describe how I'm using them, here's the "front" side of my system:

http://tinyurl.com/en4ml

Amp 1: left main (915W into 8ohm)
Amp 2: right main (915W into 8ohm)
Amp 3: center (4 ohm, 2 8 ohm speakers in parallel; ~1400W)
Amp 4: sides (hanging speakers), stereo; 275W X2 @ 8ohm
Amp 5: rears (not visible in picture, on floor behind and to the side of love-seat: stereo; 275W X2 @ 8 ohm
Amp 6: Sub. It's the coffee table looking thing back in the corner with a lamp on it. Home built cabinet, using 2 4ohm 15" Cerwin Vega Drivers wired in parallel. Not sure exactly what the power for the amp is in this situation- somewhere around 1800W would be my guess.
Amp 7: spare. Not hooked up right now.

The top piece of equipment in the rack is a Perreaux PMF-1850 power amp. Also not in use at the moment. Might sell it. Might keep it as a backup. Might use it somewhere else. Haven't decided yet. It's way too nice of an amp for garage duty; but doesn't pack quite the punch that a PSA-2 does.

With the exception of the little rear speakers, all of the others are Klipsch Professional/Industrial models, with fuse protection, heavy duty drivers for increased power handling, etc.

We had our King Kong premier last night- good fun.