Are you getting one? Katy's pre-ordering our new iPad as I type. What feature(s) are you most excited about? Anything you wish there was but isn't?
The new iPad is not much different in size than its predecessors (it's slightly thicker) and will fit the:
Ristretto for iPad
Cadet (11/iPad size)
And, of course, the new iPad will fit in just about any of our briefcases, backpacks, laptop bags and messenger bags (you'll likely want to put it in a Cache first for protection.) Here's the full list of bags for the iPad.