Most are a pain at best an many are just a pain with no best
XBikes have been noted to have cruise/radio problems when they get wet. It is a well known problem, but sporadic enough that many haven't had it. Seems the cruise can be solved by packing the cruise link box (not a tech term) found by following the cable to the box under the tank. Mine has yet to have problems but some have.
Wiring is a bit of a paradox. It seems a little anemic but that is my opinion and not that of Vic. Pull the seat and make sure the wiring harness isn't being crushed. It can cause all kinds of headaches, BTDT, but is a simple rerouting and very sporadic itself.
A few quirks, some will make you scream, comfortable for me and my pillion after a seat swap (we never got along with a factory seat on any bike, knew it was coming right up front), enough power to get down the road. Don't get in to a tight situation until you get about 5K on the engine. They take a long time to break in, almost got creamed passing a car the first hundred or so miles.
Transmission is loud. I have yet to see a forum on just about any bike someone wasn't griping about the shifting. Spend some time with it, it'll come together and you'll get it quieted down. Seems reliable after the electrical problems were figured out. Did I mention to make sure the wiring harness wasn't being crushed? LOL
Good storage, good ergos for the most part, good enough to get me off a Goldwing and look over a Venture. Had both, loved the Venture and plan on having another some day.
Upgrades, well there are plenty to go with and probably cheaper than most to get somewhere with, so they are there if you think you need them.
I'm probably about as critical as they get with Victory. Was treated very poorly by my dealer and even worse by the company. I don't like being ignored. Never have been, and hold this against them. The weak link as it were. If you get a good dealer use them and let them know you appreciate them. They are your best friend or worst enemy in a warranty situation.
Still though it has been about the best rider I have ever been on. Responsive, good road manners, good brakes, (oh, change the pads on the front. Mine sere ok but the EBC HH are much much better), decent gas mileage for what it is, and very neutral in handling.