I would try installing the Mapsource software that came with your new Vista, or download the latest Mapsource update from Garmin. The old version you installed with your first GPS probably doesn't ...
The treo 600 doesn't have built-in GPS. Anybody know if I buy Mapsource software:<BR><BR>http://www.amazon.com/exec/obidos/tg/detail/-/B00004Z0C8/qid=1082583844/sr=8 ...