I repeat ... they are not the same thing. Ipad offers infinite window access, and Zero delay looking for music player.
If you want a laptop - great, but the ipad has incorporated the touchscreen in a whole new way. (as usual, for innovative Apple)
Both have a place in the workforce, but they are not the same animal, so to compare the two formats is a bit unfair. They work very differently.

With that said ... I know where Donny is coming from. Been there, but moved ahead. Sleek, fast, reliable, and smaller footprint in the rig.
Donny - Come see my new studio, and I'll demo! (now that you're a man of leisure)