Don't you wish you would have posted in Newbie Tech.
Doom on you for not doing A LOT of searching and reading before posting?
Look down on this thread area more than one page and you will find lot's of info.:flamethro
Here's one for you on page 2: http://www.ttora.com/forum/showthread.php?t=65522
Ive got the Garmin 60cx, with the topo maps, and I love it. I have never seen a GPS that picks up signal inside a building, but this one does. It completly blew my mind. Garmins customer support is very good in my book.