See this review:
http://gpsinformation.us/vistacolor/etrexvistacolor.html
It is for the Vista C but they are very similar.
I purchased the Legend C just a couple of weeks ago. This is my first GPSr. I'm pleased. Wish it had a slot for a memory card and a way to view a larger screen while driving. But for the money it was the best deal I could find. (I purchased it through eBay. Less than $280 including shipping)
I also purchased Garmin's CitySelect software so I could do autorouting with my Legend C. Used it on a recent trip to Tuscaloosa, AL and it worked great. Now I've got most of NW Louisiana, Western Arkansas, and a small portion of East Texas loaded. That just about filled up the 24 megs of memory.
Part of me wishes I'd paid a few dollars more for the Vista C but instead I purchased a compass for a few bucks. Carry both in a fanny pack while hiking.
What I like about the Legend C is the small size for hiking & geocaching but the added feature of auto navigation. This has been more useful than I had expected.
If you have any questions, I'll be glad to help.
Phun