Xboxes are back in stock at BestBuy.com, which likely means that stock is showing up in local stores also.

IN STOCK BestBuy.com has the Xbox 360 Console in stock for $400
IN STOCK BestBuy.com has the Xbox 360 - Starter Bundle in stock for $510
IN STOCK BestBuy.com has the Xbox 360 - Sports Bundle in stock for $580
IN STOCK BestBuy.com has the Xbox 360 - Gamer Bundle in stock for $590
IN STOCK BestBuy.com has the Xbox 360 - Live Bundle in stock for $760
IN STOCK BestBuy.com has the Xbox 360 - Ultra Bundle in stock for $860