Microsoft is still trying to get a tablet to run Windows, which means absurdly over-powered and over-priced near-laptops competing with actual tablets. Asus, meanwhile, has brought out four different machines in one go - big ones, little ones, Windows ones, Android ones, keyboards, no keyboards, their strategy has been widely described as just throwing stuff at the wall to see what sticks.
And from a consumer point of view, the tacit admission by manufacturers that no-one really knows where this market is going looks like a signal to hang fire on purchases for now. No-one wants to be stuck with the betamax option, and right now no-one seems to know which that's going to be.
(Photo from - and indeed of - Renato Mitra on Flickr)