HD's awesome dealer network and support is very nice. Also, I truly believe the newer HD touring bikes are the best sorted-out packages available in that style bike. They have really done their homework and offer a very well integrated package of engine, frame, brakes, and handling. The bikes work well, look good, and very well backed by that network. But, you will pay for all that.
That being said, I have also ridden the newer Kawasaki Voyager, and it is an excellent package also at a more desireable price point. They compare favorably to the Road Glide: v-twin, full lockable matching hard bags and trunk, frame-mounted fairing, all the cruisecontrol/intercom/MP3/etc. bells and whistles. The Voyager also has more spacious rider / passenger accomodations that the HD, which can be a little cramped. Check one out.
Good luck. They are all good bikes.