Enfora today announced the development of a new Wi-Fi sled accessory for the palmOne Treo 600 which will allow the device to gain Wi-Fi connectivity. Expected to be available for purchase in early February for a suggested retail price of $149 USD, the Treo 600 Wi-Fi sled incorporates its own battery which Enfora claims will yield 3 hours of typical use with a 5-day standby time. The company also said it plans to support future Treo 650 smartphones