A buell is definitely on my list, but I’m a very tall guy and every buell I’ve been on and/or ridden I’ve felt a little cramped. If the frame was a couple inches lonfer I don’t think it’d be an issue at all. I have contemplated buying one and relocating the footpegs and making a different seat/seat riser to give me the leg room I’d need.
I love those bikes though. A xb9 or 9R Firebolt is very high up on the list. Pete has an XB12 up at KTA that’s an f-ing brute.