Both are pretty amzing, but my friend put TiVO on it. He can turn on DVD and watch movies on his PSP from miles away and it'll turn on at his house. He also put TV on it. It's like the PSP is the remote.
booooo ds psp rules u can go online and stuff plus u can watch movies have music and a bunch of other stuff like more variety in games and theres kooler styles of a psp
o yeah tyler your right it has better games nd more variety cuz on ds theres like no action games wut so ever its just like a bumnch of pet games the only good 1 is guitar hero on tour for ds