I ordered a Smart Cover in anticipation of buying the new iPad, but now I might just get the iPad 2. I'll wait for a while to see if Apple decides to do something about it.
I'm not concerned with the heat. It's the battery that seems to be annoying.
I also appreciate the "old timers" at CR that objectively and independently tests all of these devices. I've been buying Apple for 20 years and I hope I never become a fanatic.
Listen to what others are saying on this thread. iPad 2 DOES the same thing when you play CPU/GPU intensive games!