Still undecided on the specificalities; but planning a trip to 1 of 5 cities. 1. Houston 2. Katy 3. Tomball 4. Woodlands 5. Topeka Anyone have any comments on the Taxi service, which will be a high priority for this decider? Any preference - RWD, FWD, or 4WD? Should I take my Garmin? No doubles fare is fare ....louie