02-16-2007, 08:46 PM
I've got the TomTom910 and several co-workers are using the TomTom One. Input is via your fingertip on the touch screen. It's an incredibly easy device to use; very Mac-like. I believe TomTom has recently updated their maps. The TT One, 510 & 710 use SD cards; my 910 has a 20GB hard drive (and 4" screen vs the 3.5" on other TT units). I thing the TT comercials are somewhat mis-leading. Although the TT does have a synthesized voice that talks to you, it does not have voice recognition and therefore cannot understand you ("SueSue, do we turn left here?). I've heard users have had problems using GPS units that have buttons around the bezel. Apparently, it's very easy to touch one of these buttons unintentionally. Then you've got to reset / back up the unit to where you want it to be. I'm very happy with my TomTom and would recommend it.