Actually, the DS can do as much if not more than the PSP. You can use PassMe to load LinuxDS, allowing you to surf the net and load and play MP3s and Movies. It's about as unstable as LinuxPSP though

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I am a force of good that none can oppose. BAM the DOC
a.k.a.
DragonAgnstEvil

Role-Player's Realm ~ Literature Haven
*mumbles something about "puppy dog eyes" and "crying women"*
Currently = Wii pwns my soul ;_;
Wii + Bonnie Lasses = Ultimate Combination!