As far as 8th gen consoles go I have a PS4, Wii U is the only other console I want this generation (unless Microsoft actually announces games that interest me enough to buy an Xbox One at some point in the future).
I love the exclusives Sony already has and what's coming, along with the 3rd party and Indie games make it my primary 8th gen system, but I absolutely have to buy a Wii U next year, main reasons are Zelda, Starfox and Splatoon, but Xenoblade and Devil's Third are must have 2015 games too for me.
There's also one hell of a backlog of games that I'd like too play that have been released since the console came out, 2015 will be the year I buy a Wii U.
TBH with a PS4 and Wii U I don't think I'd have time to play anything else over the next 4-5 years before the 9th gen comes along.