After having become a Mac convert this summer and buying the top of the line 17" MBP, I am planning to get an iMac in 2010. I first thought that the MBP could replace my desktop, but having to pull it out of the bag every time and connect in to my 24" Dell, is a b*tch. As I have for years been an avid photographer, and not looking to get into shooting video, I think that the choice of quad cores now could be the thing I am looking for over the Mac Pro - I am not pro and I would prefer the small footprint of the iMac. What do you guys think of the top-of-the-line quad iMac vs. a standart single quad Mac Pro - or even a dual Quad Mac Pro???? I am also wondering if there is a way that the iMac and the MBP could share a single external storage?