Well, I picked up a new Motorola H17 12/30/09. Everything works as advertised, except the incoming caller announcement (on phone announcement only). This headset was released only a couple months ago with the latest Bluetooth 2.1 and all the other amenities so this problem does seem to be a problem with the stack.
On a side note, this headset works great. Get ALL phone sounds transferred and also volume control on both the phone and headset. Works great with streaming video/audio. And it is loud, usually have it set to mid volume. Also, I bought it from an AT&T store ($80) and he stated that if anything goes wrong with it for 1 year just bring it in and he will replacement.