Thank you for all the PocketBook 360 love in this thread. I'm glad I went back and realized that the Amazon dimensions were "box-based" instead of "unit-based". (You guys had me at CD jewel case.)
I actually would have preferred something the size of my smart phone, but having taken some measurements, the PB360 is basically my smartphone + about 2 inches. Not too bad - I think it might just fit in my jacket pocket.
I went ahead and ordered the 360 today. I hadn't seen that the 360+ was coming out until after I ordered, but I don't think I'll cancel. WiFi isn't something I really care about - I sideload all my books on all my devices anyway, and I never internet browse on e-ink, so should be fine.
I suppose I'll get myself over to the Pocketook forums now and ask how I should set up my new baby when it arrives in the mail.
Thank you all for the great suggestions.