Should I keep my wii or upgrade to the wii u?

first off, don't listen first guy, has no knowledge of wii u @ all. guy directly above me though spot on. wrote little paragraph convincing yahoo answers member wii u , happy earned best answer , convinced him buy it. here's wrote:

best thing nintendo console going it's exclusives. new mario , upcoming zelda, mario kart, super smash bros. , pikmin 3. 3rd party stuff gonna good. i'm stoked zombiu, ubisoft's amazing new survival horror game. has lot on other consoles, , wii. aside innovative new gamepad, best wii u fact nintendo learned internet exist , it's not bedtime story. wii u features new nintendo network, nintendo's next, amazing attempt jump online. no more stupid friend codes have been replaced nintendo network id's. allowed register friends, , contact them. features miiverse, hybrid of twiiter , forum site. can chat, post, screenshot, ask help, , more on handy little app, in reading many reviews, tends popular feature of system. also, incase didn't know can play games (i.e. new super mario bros. u, assains creed iii, black ops ii, , upcoming titles) solely on gamepad @ moment. means if playing game, , someones wants use tv, can "no problem! i'll keep playing on gamepad." , if lazy never turn on tv play game. or better yet use tv button on gamepad control power, volume, , input of tv directly gamepad. can link cable/satellite box change tv guide , browse channels. hope inspired buy best game console available!

+ it's backwards compatible wii games/accessories

now wii don't see in differences in wii u please explain don't want 1 word or 1 sentence answer either.

Consumer Electronics Games & Gear Nintendo Wii Next