Comparable bikes to gsx 650f and more info or opinons?

I am looking to get an upright bike. What I am considering is a used ninja 650r, gs500f, sv650sf, gsx 650f, fz6, or another comparable bike that I haven't listed. What others am I missing? I am looking to buy between 2 and 3 thousand so I don't need something super nice. I don't want to spend a lot on insurance or repairs. and, it has to look cool which is why i didn't include the ninja 500r. What is the difference between the 3 suzuki bikes for example? are the 650sf and gsx very similar? Are there any other bikes that sit upright that I may have overlooked? am 6'1 btw
 
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