TomTom's probably still dizzy from the hit that Google laid on it just a few days ago, but it has somehow managed to get its bearings long enough to announce that a slew of gratis updates are incoming for its highly-hyped iPhone navigation app. Following in Navigon's footsteps, the outfit has today stated that a free update has been submitted to Apple for approval, and when (er, if) it clears Cupertino's