The OQO Model 2 is a petite handheld, and at first glance you wouldn't want to use it to edit high-res photos. But it looks like a good number of professional photographers are using them to do just that.
Solid Sate Drives have some obvious advantages over Hard Disk Drives. Rob from GottaBeMobile tested a pair of OQO 02 ultramobiles, one with SSD and one with HDD. He Posted a full video of the comparison on his site.