It sounds like the desknote would be a good solution for ya seeing as your just moving back and forth. It can do some gamming. I've played GTA3 Vice City on it before and it runs quite well really. As for other things, it does great. I mostly use mine for productivity, chatting, and video editing(it has firewire on it BTW)
Now there has been a few times I Just wish it had a battery, but you can't beat the price.
OH, one final thing... If you do get one of these, find a copy of Windows. Mine came with some version of Linux and windows drivers