DS vs PSP

When I first heard about the DS I was mad at Nintendo at the same time that I was excited. They are basing the rest of their future in thus little handheld and the one thing that I’m worried about is that the DS wont be used to its full potential. What I mean is that the DS has tons of features which all sound exciting but will the developers use all of these features I’m personally not sure. Most of the launch titles seem to be using most of the features well but when the system starts to age I’m afraid that these features will be abandoned. And the thing that makes it a big possibility is the possible huge success of the PSP. If the PSP wins over the DS we will see PSP ports with a map or something to fill up the bottom screen and none of the features will be used. But it is a double edge sword because if the DS succeeds then the PSP will be in a worse position with the PSP not being able to use any of the DS features besides wireless play. All I know is that only 1 winner will prevail from this handheld war.