Be sure to play Persona 4 Golden before giving up on Vita. If you don't like it, get a 3DS. If you do, got a 3DS anyway 'cause SMT is worth a shot.
3DS Friend Code: 0645 - 5827 - 5788
WayForward Kickstarter is best kickstarter: http://www.kickstarter.com/projects/1236620800/shantae-half-genie-hero