100% Buy Games:
Wii U:
Smash Bros.
X
Mario Kart
Fire Emblem X SMT
Pikmin 3
Wii Fit U (yep 100% deal with it, still play Wii Fit Plus several times a week to excercise)
Watch_Dogs
Assassin's Creed IV: Black Flag
Probably (like 80%+):
Wonderful 101
Super Mario 3D World
DKC Tropical Freeze
Sonic Lost World
Dragon Quest X (if it comes west)
Deus Ex Human Revolution: Director's Cut
Zelda: Wind Waker HD
Zelda Wii U
PS4
I will also be purchasing a PS4 when it drops to around $250-$300 (just like I picked up the PS3)
100%
no must-buys yet
Probable:
The Order: 1886
The Division
FFXV
KH3
Maybe:
The Witcher 3
Mirror's Edge 2
Mad Max