SIRIUS said Tuesday that it reached the 400,000 subscriber mark. SIRIUS currently has a number of products available at mobile electronics retail stores across the country. SIRIUS products can be
found at Best Buy, Circuit City, Tweeter, Ultimate, the Good Guys, Sears, Crutchfield, and other mobile audio outlets, with availability at Wal-Mart, EchoStar's DISH Network sales locations, and
RadioShack stores later this summer.