Damn Bender looking Awesome(with a capital A)! This thread has been officially tagged!
Hey man, this is a really cool setup. I'm sure you feel good about yourself when you're standing in those rooms.
I have one tidbit to throw in, though.
Maybe move that CO2 generator. Right now it looks to me like it's just dumping the CO2 into the exhaust through the air cooling. Am I understanding this right?