Roger Long wrote:
I have Blue Charts on order. Can someone tell me if they use the same
Mapsource reader as the Metro Guide or do they come with a different
reader on the CD for computer use?

They use the same reader. The more recent versions of Mapsource do not
support real-time tracking on a PC unless you use nRoute software, also from
Garmin. If you have version 6.4 or earlier. you don't need this latter pgm.