New, used motorcycle.

Hello people, I’m looking for a new (used) motorcycle, unfortunately I have no plan which is the ideal model for me. the selection is very big. maybe you have a tip ready. short to me. 185cm tall, 73kg heavy. have had my license for 7 years, started with a cbr600f (1992). drive now for 2 years a fireblade (2003) and have as “second-moped” an enduro – mz baghira 660ccm. actually a good mix with the two machines. But when I drove a chopper from a friend the other day, I thought – wow, you can also ride comfortably. so… now the question. does someone have an idea, what is possible? (would be true. give both machines). comfortable(er), likes a bit faster (of course not to get to the fireblade), and no bmw gs. full paneling doesn’t have to be, motor you can see. price 4000-600€. field of use: sometimes just one hour after the party evening the head fr get an ice cream and like to do a few kilometers at the end of the week. girlfriend is probably riding with me now somehow stuck with a 2008 Harley Davidson sportster (not so expensive, compared to other Harleys) or a 2003 Honda hornet 900. good choice or something else? thank you for your answer!