Deal Hunter via Amazon offers the Russound AirGo Outdoor Speaker System for Apple AirPort Express in Gray, model no. AIRGO, for $85.98 with free shipping. That's $6 under yesterday's mention and the lowest total price we've seen for this speaker. (It's also a current low by $14, although most stores charge $150 or more.) This speaker features a chamber for an Apple Airport Express (not included), two 3/4" tweeters, and a 6-1/2" sub-woofer.

Update: Action Pro via Amazon now has it for $84.08 with free shipping.