Hate to say it, but I gotta go with Uni on this one. Handheld games just don\'t lend themselves to the 3D experience or even the more lenghty games. This applies to any handheld, just like Mario 64 DS, I could not get get into, just because I can\'t bring myself to play a 3D game on a handheld for a long period of time. Simple and effective, that is the key to a portable system and portable games. Sony overshot the target with the PSP.
Kolona 2, now that was a classic. The GBA games wasn\'t bad either. But what Sony really needs is something along the lines of the portable Castlevania series. All four of them have rocked hard on the Nintendo platforms and I would almost gurantee that the soon to be fifth will also be a hit.