Photos: Eight must-have Wii accessories

6. SD card

If you're close to filling the Wii's built-in 512MB of storage with your Virtual Console games, you can always expand your available space with an SD card. Nintendo sells its own, but any run-of-the-mill card will do. Fairly spacious 1GB cards are available for less than $30--even less with mail-in rebates--and they'll work in plenty of other gadgets as well.

Photo by SanDisk