I own:
Nintendoland
NSMBU
ZombiU
Assassin's Creed 3
Call of Duty: Black Ops 2
Trine 2

I plan to get:
Smash Bros U
Tekken Tag Tournament 2
Pikmin 3
Rayman Legends
Alien Colonial Marines
Ninja Gaiden 3
Darksiders 2
Yoshi's Epic Yarn
Wind Waker Remake
Sonic Racing Transformed
Batman: Arkham City
Monolith Soft game
3d Mario U
Mario Kart U
Zelda U
Monster Hunter Tri HD
Wario Ware

Every game

Oh, I also somewhat want NintendoLand. I'll probably get it, though. I'm going to buy the Deluxe.

i own:
ZombiU
NSMBU
NintendoLand
AC III
Ninja Gaiden
Trine 2

my next purcahse will be rayman legends, pikmin 3, aliens Colonial Marines, Monster hunter tri hd, 3d mario TLOZ WW, Monolith soft game, other third party games...

I own New super mario bros U, Sonic racing transformed and Ninja gaiden 3 razor's edge. My next purchase will be Need for speed most wanted when it comes out in march. I will also get a white pro controller as soon as nintendo releases one.

Nintendoland
Trine 2
Little Inferno
Nano Assault Neo
The Cave
Balloon Fight (VC)

Next purchases: Zen Pinball 2 (Jan 31st), Scribblenauts (Feb 8th, EU)

Then: Assassin's Creed 3, Monster Hunter 3, Lego City Undercover, Wii Fit U, Pikmin 3, The Legend of Zelda: Wind Waker HD (in that or any other order)

Hoping for ports of: Broken Sword 5 (not yet announced for Wii U but very likely), Double Fine Adventure, SpaceVenture, Moebius and other unreleased 2013 adventure games.

I only own NintendoLand and guess both Nano Assault Neo and the VC offers are soon to follow.

Currently finishing my old Wii games, so not buying any WiiU ones yet, trying to complete SMG2 so I can trade it off for A Shadow's Tale... and this weekend I added yet another game to the backlog (Sin and Punishment).

Wii U games that I'm interested in purchasing whenever I stop buying Wii games? ~ZombiU, ~Resident Evil Revelations: Unveiled Edition, ~Game & Wario, The Wonderful 101, Wii Party U and Wind Waker HD.

I have Nintendo Land...
New Super Mario Bros. U...
ZombiU...
Arkham City...
Epic Mickey 2...
Just Dance 4 (this is my boyfriend's)...
I want Lego City...
Rayman Legends...
Monter Hunter Tri Ultimate...
Pikmin 3...
X...
Wink Waker...
Mario (Kart)...
SSB...

Edit: I forgot Wonderful 101...

Additional Edit: I also forgot about Fire Emblem x Shin Megami Tensei, and the digital games I've bought: Trine 2 and Balloon Fight (pumped for Super Metroid too)...

No Wii U at the moment. Just not many games out now that interest me. I will definitely get one at some point, just a matter of when. Still waiting for that price drop..

Games I would want are:
NSMB
Pikmin 3
Monster Hunter
Rayman
Wonderful 101
Yoshi Epic Yarn
X
Dragon Quest X

I have Nintendoland and Trine2 (which sucks don't get it)

Plan to get MH3U next, and Rayman legends after price cut.
Future games
-WW remake
-HD Zelda
-Pikmin 3
-"X"
-Super Metroid
Maybes...
-Wonderful 101
-Bayonetta 2
-3D Mario

I currently own ZombiU, NintendoLand, and Trine 2, and plan on getting a combination of Pikmin 3, Rayman Legends, and/or Monster Hunter 3 Ultimate in the near future.