I've been planning to buy a new iMac since the intel inside models became available. I want to replace my 4 year old lamp-shaped iMac (actually, I won't be replacing it, just moving it to another room as a secondary machine).
What I really, really, really would like to do is get a MacBook Pro for Work rather than the cruddy Dell that I have to lug around now. I'm hoping that they come out with a 12" MBP in the near future - I love the size/weight/feel of my 12" PowerBook. That I would dual-boot on, as there are some Windows only programs that I have to use at work.
At home, there really isn't a reason for me to dual-boot, as I haven't had the need to use Windows for a few years.