Jeff, This would be better served on the Trekker group on Yahoogroups.com. There are many users there. The system has its advantages and disadvantages when compared with other systems, particularly the GPS for the VoiceNote line. Haven't seen enough of the StreetTalk for the Pacmate to make any judgments on it. Generally, the Trekkker package's main advantage is cost. It is not quite as easy to use because of the way you have to input data into the PDA. Go to afb.org and look under the AccessWorld link and you will find a couple reviewscomparative . Steve, K8SP ----- Original