I have been lusting after this for some months. And as part of my generous pay settlement two weeks ago my company bought me one. To say I was/am ecstatic would be putting it mildly.
The memory is 32Mb ROM / 32Mb RAM but I've got some large capacity SD cards inserted so storage isn't a problem. Copying music to it is automatically recompressed/resampled to use the bit rate of choice. That way I can decide whether to go for higher quality or higher quantity on the fly. I'm planning on putting Spider-man on it!
The BBC seem to like it too.
You can see a demo of the XDA here.