[confused about garmins]

I got the Venture Cx. Got a good price and was supposed to get a rebate but Garmin cheated me out of that. They claimed the UPC code was not included (which it was). I like the unit but I'm a bit soured by Garmin claiming my rebate was invalid when I did send the UPC code.

I've had some luck breaking free a denied rebate by filing a complaint with the BBB. No problems with Garmin but have used this approach with others.

[Detail mapping]

Just received a Garmin 60CSx as a gift and have found a few caches. Am curious as to what I need to add detailed maps. I have a StreetPilot 2620 and a City Navigator v7 disk which says it's only for the 2620. Do I need to purchase same software for the 60CSx to get full map details?

[Geocaching Christmas Gifts]

Newbie here, just got a 60CSx and am anxious to start.