he battery life difference is real: Handspring claims 6 hrs of talk time with the GSM version, and only 4 hours on the CDMA version of the Treo600:
Just nitpicking here but isn't 4 hours to 6 hours for GSM treo a 50% increase? The Forbes article said 70%. Also standby times are the same. Alot would also depend on whether talk time includes data use or just talking. These PDA devices should really give a time for talk, data, and standby.