OK, I'll do this. '04 Honda CBR 600rr likes: It's light even stock exhaust setup sounds good if you by it used, and the previous owner was a riTard, replacement OEM parts are relatively easy to find. smaller, but will blow the wheels off my other bike. dislikes: uncomfortable as hell lightness makes it a little twitchy in high wind skanky chicks ask for rides, not hot, skanky chicks, just skanky.  At least in my experience. '06 Harley Davidson Sportster 883 custom likes: it's comfortable.  If I could fit the Mustang seat on the CBR, I'd do it. Reliable-contrary to popular sportbike mythology, it doesn't break down every few miles.  Nothing sounds like a Harley.  Love it or hate it, it's distinctive. dislikes: NOTHING is cheap on or for these things.  Nothing. 2006, and it still has a manual choke?   chrome sucks.  That is all.