Well, I know this is gonna sound silly, but I stole the power cord off my Shuttle, swapped em around. The Shuttle runs fine (considering its like a 150W PS, the power draw is minimal).
Use a very beefy cord, the one that came with mine for some reason just wasn't up to par.
If that doesn't work automagic, I'd double check my power cable again, since once I did that, it fired right up. Make sure its plugged in properly, when it is, you should hear the speakers pop and come to life, thats how I knew it was in good and tight and everything was hummin by the time I got around to the front of the monitor :)
Now I'm busy re-arranging my stuff. I got a RCA Directv reciever, Pioneer 711 shoved into my Sony stand and I got a cherry wood stand next to it holding my Toshiba DVD player :) The HTPC is going to be a Chili Pro 1/4" mATX case with either a mATX P4 or mATX AMD system. Basically, it works and I'm as happy as I think I've ever been with a A/V purchase. I loved my 40H80, but this thing just fits perfectly in my small basement and it has anything and everything I'll need in terms of inputs, and flexibility.
Thanks again to the wonderful staff @ AVS for the deal, thanks to Jason for hooking me up and keeping me informed about shipment information. If you guys are on the fence about this deal, stop waiting, its a can't pass up offer.