Buy.com offers the XtremeMac InCharge Duo Charging Base for iPad / iPhone / iPod, model no. 02190, for $19.24. With free shipping, that's a buck under our mention from three weeks ago and now the best price we've ever seen for this item. (It's a current price low by $13.) It claims to charge any combination of iPad, iPhone, and dockable iPod models twice as fast as a computer; a detachable USB cable is included.