What is better Nintendo ds lite vs psp?

The DS has sold more than the PSP:

DS: ~70 Million

PSP: ~55 Million

The DS has two screens, one is a touchscreen

The PSP has a much higher resolution on it's screen (and higher in PSP-3000)

The DS is cheaper than the PSP, and has better battery life.

The PSP has much more quality and performance than the DS

The DS needs apps or games to use the internet (DSi has internet built-in though)

The PSP has built in internet functions

The DS has a few features with Pokemon and the Nintendo channel

The PSP can be used as a PlayStation 3 Controller when connected

The DS has quicker loading times

The PSP has a memory card slot (however, the DSi has an SD card slot)

The DS 'closes' so it can't break as easily, and is easier to carry

The PSP has better controls (analog, digital)