Can you go online through a Nintendo DS?

I think PSP's are more expensive but they do get access to the PlayStation network and the internet. you can also watch movies on PSP's.

I have the DSI XL. You can go on the internet on this as well as the DSI, however, it is hard to use and you cannot watch videos on it. I also believe I had to go through a process of downloading and doing stuff on settings for this option to work (instructions are available in the booklet that comes with your DS on how to properly get web). Web isn't already on it. Hope this helps, good luck!