I played with 3ds.I was able to play for a lot of time.It was amazing.The position of the + wasnt bad.i had no problem.i didnt felt dizzy or sick because of the 3d.i have a dsi xl but the size of the screens didnt took my attention.i used all the pre installed software and the best was ar games and face raiders.also very funny was mii maker.there werent any demos of the games that will be released.i want to play pilotwings resort.sorry if i have any language mistakes.i am from greece.