In case you haven't got a Wii U as yet, IGN gives a decent rundown of the Wii U's OS.

[sergiodaly]

very manly pink wii mote... LOL

on topic - it does feel slow... for wii u user sake, nint better improve the speed of the overall experience.
BTW the browser it is probably good, but "like others tablets experience" is a false statement. you can't pitch to zoom. he didn't show on the video, but does a double click zoom in and out? if its just with the buttons on the bottom it is even farther then i thought. but then again no one bought it to surf the web... no big deal.