>> the only "iPad killer features" it may seem to provide at the moment are the front and rear facing cameras <<
Apart from the fact that it is almost certainly able to be managed by BES? Apart from being able to deploy apps without bowing to Lord Steve and his App Store? Apart from its security model which makes governments scared?
Retirees and 3 year olds aren't going to be buying these things - corporations are, and given Microsoft's inability to get its act together on a slate OS, the other option of a Win7 pad under AD/GP isn't around the corner.
On the other hand, Jim B - don't waste our time with something that has to be tethered.