VisorCentral.com (http://discussion.visorcentral.com/vcforum/index.php)
- Springboard Modules (http://discussion.visorcentral.com/vcforum/forumdisplay.php?forumid=10)
-- Magellan GPS (http://discussion.visorcentral.com/vcforum/showthread.php?threadid=11332)

Yes, Mediam, the WAAS capability is a hardware fix, the best I can tell, I have one and it is REALLY accurate, I get fixes within 5.4ft at the lake, but it's also a Garmin unit, more expensive, but a way better interface, better support and better maps, just my own personal 2cents...