We've always heard that holiday calories "don't count," but disregarding urban legend for a minute, we'd say AlterG's timing here is nothing short of impeccable. Nearly 1.5 years after the outfit's P200 series was a-okay'd by the FCC, an all new walking machine has entered the fray. The M300 treadmill brings along the same "anti-gravity" feel (useful for rehabilitation and athletic training), but in a machine that's a third of the price and way, way sleeker. The idea here is to reduce the strain on joints and muscles as
