I recommend a PSP as well..
yup, there are alot more games for PSP wich will jus blow ur socks off (literally)
and also, i hv seen and physically felt the feel ofa DS in my hands (At the Croma Electronics store, Mumbai) and believe me, the display is dull..
really low on brightness, jus one level of brightness (as compared to PSP's 4) and also even thou the DS boasts of having 2 screens, its jus boring, all the games are like cartoonish..
But if u still hv ur eyes set on DS then its ur choice finally..
Btw, u will never ever regret the PSP after u buy it compared to the loads of options u hv apart from jus gaming on PSP...
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Cheers n e-peace....