http://gamerdeals.net/blogs/cheap-home-theater/archive/2006/12/01/186-pioneer-600w-5-1-system-for-xbox-360-after-50-rebate.aspxWalmart has the Pioneer 600W 5.1 surround sound system made specifically for the Xbox 360 for only $186.54 after a $50 rebate! This is available online only, but they do offer free shipping when you select site to store. Comes with a Xbox 360 compatibleenCommunityServer 2.1 SP1 (Build: 61025.1)