"Great value for $170"4.5 starson by Evan115
Pros: Camera (Pretty good quality), nice music player, game downloads, sexy, thin, durable, great screens, SD slot, great battery life, great speakers, user-friendly, amazing game player, good size, great game library, touchscreen, charges quickly, price
Cons: Buttons can get stuck, no GBA slot, crappy web browser (no flash, really slow), music player can't run in the background, no video capability it just plays the audio from videos you try to sync to it, no video capture, no app store
Summary: Overall, this is a great gaming device. It is a great value. I would definitely upgrade even if you already have a DS or DS lite because there are lots of fun, cool, and useful add-ons. There are a few quirks, but you get over them once you start using the DSi in your everyday life.