So... Eliminate its differentiating characteristics and turn it into something that resembles the competing netbooks and sub <$500 notebooks whose lunch Apple is devouring, according to Best Buy's figures?
Tactile feedback is pretty important to some people. I haven't tried an iPad yet but when it comes to emails on the iPhone, I would sometimes kill for the ability to just type the way I could on a real keyboard. An iPad with a keyboard hookup is still an iPad.