Andrew Hyde sold everything he owned except for 15 items and decided to travel the world. Two things he kept were his iPad and a bluetooth keyboard, he just switched to a MacBook Air and as he says:
iPad as a toy? Oh yeah, best product out there. iPad as a computing device. When things go wrong, they go really, really wrong.
He brings up some really interesting points, so be sure to read the whole article as it is not that long.