ps3 and 360 are the same price, as the 4 GB 360 is a waste of money. if you bought a 360 without a hard drive, you'd be kicking yourself pretty quickly. so get the idea that a ps3 is too expensive out of your head, it's just not the case any more.
and if you're just now considering a wii, how in the world would it be "too late?" have you played any of the amazing games that are on the console? zelda, mario, FF, no more heroes, metroid, lost in shadows, kirby's epic yarn, MH3, etc. there's plenty to keep you busy, even if the future releases aren't looking so hot. and since saving money seems to be the name of the game, i find the fact that you're considering future releases to be such a priority, since they'll cost the most.
and as far as "ages" go for the wii2, if rumors are true, it will be announced in a few weeks and out next year. hardly "ages." and since all there is to go on is rumors at the moment, i don't know where that idea came from.
all of this also neglects what games you actually want to play and whether or not you want to do more than play games or not. the wii doesn't really do extra stuff all that great, even homebrewed. it also fails as a multiplayer console, few gems aside. without actually knowing where your particular tastes lie, any recommendation will just be based on someone's own tastes, and not your own.