I've now put 1000 miles on the Voyager and since I was asked to comment after I had put on some miles here are some observations. They are strictly my impressions and in no particular order.
I have found the Voyager to be much more comfortable to ride than my LT was. Apart from the LT I have ridden cruisers since the mid-1980's and I never really adapted to the LT's riding position.
I realize that it is 10 years newer but the sound system is several orders of magnitude better.
I find that the Voyager, which has a 1700cc V-twin, has more than enough power for me. Of course I thought that of my Vulcan 800 and my LT had way more power than I would ever use.
The absence of linked brakes at low speed and the much, much lower center of mass has made me much more confident manuovering in the garage and at parking lots. I have yet to come close to dropping this bike and I could not say that for the LT in the first two weeks I owned it.
The Voyager is, right now, averaging about 37 mpg while the LT was always around 50. Couple that with a 5.3 gallon tank (with a low fuel warning when there is one gallon of fuel left) and the range is quite a bit less than the LT. I don't see this as a big issue since my backside needs a break after about 150 miles anyway but with my partner's R1100RT and its 7 gallon tank it is clear we will be stopping more often. This may cause a little strife.
The windshield is not adjustable and the stock windshield was 16.5" tall, which is fine if you are 7'6", which I am not. I replaces that with a 12" windscreen, the installation of which took about 20 min, which is the right height for me.
I cannot comment on the passenger seat since I don't carry a passenger. The cases have enough room for what I carry to work each day and I have a bungie net for anything else.
I'm really happy with my purchase and I sure my old LT will make a fine bike for someone else as well.