I already have a 3DS, and I love it. If anything, my next will be the Cafe, Vita has the same games as PS3 and these were never really my cup of tea, give or take a few games that don't justify for me the extra expense. 3DS on the other hand has lots of games I am looking forward to.
Currently Playing: Shin Megami Tensei: Devil Survivor Overclocked, Professor Layton and the Curious Village
Anticipating: Xenoblade, The Last Story, Mario Kart 7, Rayman Origins, Zelda SS, Crush3D, Tales of the Abyss 3DS, MGS:Snake Eater 3DS, RE:Revelations, Time Travellers, Professor Layton vs. Ace Attorney, Luigi's Mansion 2, MH TriG, DQ Monsters, Heroes of Ruin