Originally Posted by BlackE55

I have one in the S600 and have never used it to it's full potential.

I could see it being helpful for those who do a lot of business travel, eg regional sales reps or those who love to drive instead of fly.

IMHO, they seem excessive for a daily commuter. It's standard equipment in most mid-level and above cars, so except to pay for it. Yet another questionable gizmo.

I'll stick with my map book thank you. Faster and easier.