FCC filing documents suggest that the next Palm Pixi will come from Verizon and include Wi-Fi.
The phone titled "Palm's model P121EWW" it has EDV-O, Bluetooth and Wi-Fi 02.11b/g. It has most of the same specs as the original Plam Pixi with the additon of Wi-Fi.
The Palm Pixi that sells on other carriers runs weOS and is priced at $99.