yes you should trade in your dsi for the psp because the psp freezes and you cant see the viedo clearly so all votes on Nintendo dsi
dsi is the best and psp is not so good
dsi
No. because the PSP costs more. But you can probably trade A Sony PSP for a Nitendo DSi. =] yes actually you can you just need extra money
Nintendo DSi
Nintendo DSi.
The DSi was launched in 2008, the PSP at the end of 2004.
no.....
A psp. THE IRONY.
Skype is not available on the Nintendo DSi. The only game console that currently has Skype built in is the PSP.
Yes, although the worth of the dsi can be more than a used old psp. Or, it can be less...depends on where you trade it in.
You can't trade JUST you DSi system in for a 3DS system anywhere.