When the Zune Store opens up on the 360 later this year, you'll need a 802.11n network in your house if you want to stream HD content. Microsoft's current wi-fi adapter can't do 802.11n. So they need a new one!
This adorable little bunny is Microsoft's new wi-fi adapter, currently doing the rounds at the FCC. It supports the more recent wireless standard - read up on it here if you're scratching your head - so once it hits the market, you'll be good to go.
Provided, that is, you don't mind paying out your ass for a new version of the most over-priced accessory the video game industry has ever known.