I love my 20" iMac but definitely wish I would have ponied up and just got the 24" right off the bat. I am dying for more screen space.
I think you should get the 24" iMac, and then just a cheap MacBook or a netbook for when you want to be portable around your house.
I think you should get the 24" iMac, and then just a cheap MacBook or a netbook for when you want to be portable around your house.