Here is an 2010 XB12SS for sale. I think $4000 is a fair asking price for all parties involved. The nice thing about an XB is that its not that hard to change colors, or pick up a spare set of body panels and have them painted. I sold a set of plastics to midway on here and he had them painted a sharp looking green (believe it or not!) color.
https://offerup.com/item/detail/469114402/
I've owned a few different naked bikes, and *in my experience* the Lightning is not more fun than any other naked bike on the highway. The Lightning definitely has the cool factor and don't get one if you don't like answering questions about your bike. I felt my XB's always put me a bit more in the wind blast than other naked bikes.
Strangely enough, the 1125CR which has a tiny flyscreen does seem to have a "clean air" area right where you sit as a rider. I don't know if its some aerodynamic trick... or if its just me, but that bike was the probably the naked bike with the least amount of wind blast on the highway.