So I've been out a few times to my local trail. Some people have told me they get lost so I haven't really gone out too far. So my question is, what gps units are you guys using? I have looked at the Garmin edge 605 & 705 and also the etrex legend HCX. I'm not sure if I wanna spend the big price tag on the edges, but I will if the features make it worth while. Any suggestions? Thanks!!