I use my desktop to igloo and my laptop to keep my main signed in and such. with the third, you could hardcore AB with proxies and such. Really, its up to you. xD
At the minute the fastest i use to play games and to mess around with using bots since its powerfull the others are kinda slow but they would run bots quite well i think...
I have more then 1 computer but only use one of them, maybe in the future will put another to work but I am unsure :S
Yeah I don't have a *working* auto adopter *points at the help section* I'm adopting pets by name... but an auto adopter would be great for pound relase