Its been discussed, personally I prefer TomTom (more options) some like Garmin (more user friendly/less options). Dan said that TomTom had problems with their algortihms although I think that may have been corrected.
the best out there is def. the garmin and if ur worried about options u must be completely illiterate wen it comes to technology of any sorts, the options are so
simple that i have seen little children use it, i dont think that u should rent cause alot of times the gps's dont work so well. if u look at the main site dan
posts deals for garmins for as low as $99 def. worth the investment and will pay itself off if ur considering renting.
P.S. Mods, my words keep on writing right off the page.