Hi beautiful people I am sorry if this has been asked already i tried to search but didnt find anything I am currently planning to buy a used GSXr but i am confused to which year/model is best buy 1) 2006 GSX600R (10k km) 7.5kAUD 2) 2006 GSX750R (20k km) 6.5k AUD 3) 2011 GSX 600R L1 (20k...