Not exactly. Don't buy anything off eBay that's ridiculously cheaper than the equivalent product on say, NewEgg, most of the time it's a counterfeit product, made in China and is crap. With stuff like DVD-Rs and flash memory, brand name does matter, a lot. With (digital) A/V cables, they're all the same. Having said that, Kingston, PNY, Panasonic, SanDisk, and even A-Data (check reviews) are typically very dependable. Just make sure you account for read/write speeds (won't be that big of a deal on the Wii since all the DLC and WiiWare, etc., is relatively small).