Rumor: The recent flurry of leaks regarding both the CDMA Treo 800w and its stylish GSM Tam’s Palm blog posting some detailed specs of the upcoming Treo 850. Tam’s tipster claims that the 850 is not simply a Windows Mobile version of the Centro but rather an “evolution” of the older Treo 750 for GSM networks. Additionally, the report states that this device is code-named “Skywriter”.