If you have the money, by all means get a Vita.
I don't really do cross platforming, I play RTTS at work on my Vita.
I play franchise/season at home on PS3.
I've bought a few other games to kill time at work
(Madden, Hotshots golf, F1 racing, Metal Gear Solid to name a few)
& even if I only played the Show on it, it'd be worth it to me.
And I'm by no means rich, I had to eat my share of baloney sammiches to get my Vita
