I've played every single version too. :U I mean, they're not so long that you can't complete one before the next release.
I own black and white and I've beaten them both and BW2 aren't out yet, so I don't see how it's a lot of time. I game in my free time regardless.
Diablo III North America Glacea#1307
League of Legends Queen Nimera, Level 20
New Leaf/Pokemon XY 4511 - 0825 - 1589