Should I buy a PSP or a DS tommorrow?

[EdGuila]

You can't really argue that either has better games just that the have more games that cater to different people.
If you like action, adventure, platforming, shooters go with the PSP, with it's button/nub layout it's the perfect match.
If you like games that aren't action but turned based, puzzle, point and click, fashion designer/pet owner/chef/waitress/surgeon simulators, Sega CDesque games where you pretend you in court watching FMV-like videos etc. Go DS, the touch screen and stylus are the perfect match.

Don't forget to read my post. I've tried the DS first hand(when stretching your thumb 4" to the centre of the handheld doing motions that dried up my thumb grease after 15 minutes on a screen that has subpar responsiveness for anything action related) with high expectations that I almost knew I wouldn't disapointed in. What I got was a gimmick touch screen that did nothing but ruin most action, adventure, shooter, platformers. I sold it and definately going PSP in 2-3 weeks, the videos, pictures and music are great but mainly for the games.

 

Don't look at hardware sales and just go with a DS because "it must be better for me".  I work selling these things and %70 are under 12 that want to play Dogz or Catz or Nintendogs or casual adults that want to play lawyer and surgeon simulator games.