I don't think anyone can beat the ingenious KeyCase iPad Folio. Not only is it a keyboard that tilts perfectly to allow your tablet to rest like a laptop, it also folds into a protective case to shield it from potential dangers.
The all-in-one KeyCase iPad Folio is the ultimate case and it will take the iPad to the next level. Available in the UK shortly, I can only hope it reaches America sooner rather than later. I'll just use this time to save up for the iPad first.