Pros:
Touch screen+ hard buttons
3d-screen
support a huge library of games from nintendo ds+ new games specifically for 3ds
Disadvantages:
Battery
Volume Control is unsuccessful, often accidentally touches
Prices for games
"Nintendo technologically lagging behind, but in the games consoles it very interesting." - Is read. Himself is the owner of the ps vita, I am now bought and 3ds xl. Very satisfied. For those who have the schedule in the first place, it is not particularly suitable for yesterday, but for whom the main game process at the time. Playing on ps vita and 3ds, I believe that they are equivalent