Hey Boris, This is Jordan from Tuesdays with DRILL at Temple Bar (bigger guy with red 848). Question for ya, I'd like to start doing more track days and am looking to sell my 848 for a track bike. I've looked around and found myself with a few questions. I don't think a 600 is right for me, just a bit too big. So I've been thinking about a GSXR-750, CBR 1000RR, or Yamaha R1... Granted, I know a lot of it comes down to feel but are there any large differences between the different models and makes that are good for someone to know as considering a purchase? Love to hear your thoughts on those and any recommendations. Too, I think this would be a track only bike too, not street. Appreciate your advice! Thanks! Jordan