Ok, I'll try to explain...
I really don't recall when I heard anything about Buells for the first time. But I do remember that I didn't even have a permission to ride a bike when the XB series came to the market. I had always been a fan of (dang, I hate these terms) old-school choppers and bobbers, but there was something in the XB that appealed to me.
My education is Industrial design, and I'm not shy to admit that I have a picky taste on design
Anyway, the machine-aesthetics of the XB design was the first thing that caught my attention. Then the fact there is the air-cooled V-twin rumble in a sport bike. And lastly, one of my colleagues (never got to know who) had a gray-painted XB9 with silver frame, which I thought was over-the-top. And of course you cannot forget Erik's principles of design, and some kind of a dare-to-be-different-attitude that Buells radiate.
I finally got my rider's license back in 2006 and bought me a Sportster. That bike evolved from stock to a faux-bobber (ape, frisco and all, but with shocks) during the first winter. Then I figured out I wanted better handling, so I converted to a dragbar and middle controls. Then after riding one summer with that configuration it was like "either get some rear-sets and build a racer or get a Buell"... So I got my XB12S a month before HD decided to quit Buell. I was very close buying an XR1200 instead, but in the end I'm extremely glad I didn't!
However, I can also admit that it may not be my last bike (gotta have an old Shovelhead, right..?) but for the time being I'm happy with it. ...especially when it now has an SS swingarm and lowered suspension