You can get a similar effect with your PC and software by cropping the picture so, in Zurg's opinion, it is a less than critical feature. There are two versions of Compact Flash. Type II can accommodate a little hard drive that will hold a ton photos for a bunch of money. This little hard drive is very cool and for some gadget freaks approaches the holy grail. You can get a floppy adapter to put a Memory Stick in like SmartMedia.
Cameras tend to be larger.
Zurg's humble opinion. The type of media is less important than your comfort with the camera. Batteries - Zurg, as you know from my film appearances, has a thing for crystalic fusion power cells. It is little coincidence that the people who sell rechargeable batteries advertises on digicam web sites. They know who their market is.