The Navionics charts require firmware 1.6. My HTC Hero uses 1.5, with an updated expected in the near future (whole other topic). I do not need the charts, but they would be a nice touch.
ISPA Yachtmaster Offshore Instructor Evaluator
CYA Advanced Cruising Instructor
IYT Yachtmaster Coastal Instructor
As I sail, I praise God, and care not. (Luke Foxe)