buell motorbikes?
 

Are they any good? I know they are basicley a harley-davidson sport bike.

Not really any good.

I do like the styling in particular the XBR12 Lightening but overall not really competitive bikes against the Japanese ones.

Buells are usually slower, don't perform as well and expensive to repair (rare and they are Harley's) if you compare to the equivalent competition. Of course the Buell blast should be cheap on insurance.

P.S. I really don't like the belt drive concept.