PSP has literally tons of good games .Games as
Syphon Filter Dark Mirror
Ace Combat X
Ultimate Ghouls and Ghosts
Daxter
Ratchet & Clank Size Matters
Metal Gear Portable Ops
Disgaea
Jean D´Arc
Marvel Ultimate Alliance
Lego Star Wars II
Burnout
Burnout Dominator
MBL The Show
Pro Evolution Soccer 6
Madden 07
Need for Speed Carbon
Out Run 2006
Killzone Liberation
Lumines
Every Extend Extra
Mercury Meltdown
Metal Slug Anthology
Puzzle Quest
Tales of the World Radiant Mythology
Monster Hunter Portable I and II
Tales of Destiny 2
Medal of Honour Heroes
Dragonball Z Shin Budokai 1 and 2
Socom Fireteam Bravo 1 and 2
Loco Roco
Me and my Katamari
Field Commander
Tekken Dark Ressurrection
Valkyrie Profile Lenneth
Brave Story
Wipeout Pure
Everybodys Golf
GTA Liberty City Stories
GTA Vice City Stories
The Warriors
Virtua Tennis 3
Afterburner Black Falcon
Tales of Eternia
Gurumin
Pro Race Driver
Streetfighter Alpha 3
Def Jam FFNY
Gradius Collection
Genesis Collection
Power Stone Collection
Capcom Classics Collection 1 and 2
Star Wars Battlezone II
Sid Meir Pirates !
Mortal Kombat Unchained
Test Drive Unlimited
Lemmings
Worms
Prince of Persia Rival Swords
Gitaroo Man
Dj Max Portable
Exit 1 and 2
etc etc etc .................
I dont see the DS coming even close in software library terms .
