So I'ma get myself a Bike for Graduation

[KhaOZ]

I'm thinking i'll get myself a bike for graduation next year, but since I have to go through a course and get gear and do some research and things, I've started shopping through everything now.

What do you guys think I should get? It has to be a streetbike sport. Most suggest a 250R Ninja but I'm also 6'6" 245lbs, so a 250R would be like a tricycle for me.

So I'm thinking something in the 600-650 range.

Here's what I have in mind:

Kawasaki 650R Ninja
http://kawasaki.com/CMS/Products/Act...58808967f8.jpg

Honda CBR 600RR
http://powersports.honda.com/Assets/...nix_42515B.jpg

Suzuki GSX-R600
http://www.suzukicycles.com/images/P...ack_000000.jpg

Yamaha YZF-R6
http://www.yamaha-motor.com/assets/c...3_930f547a.jpg

Any opinions or other suggestions? And please, no crazy choppers or anything. i'm pretty set on getting a sport street bike.

Thanks!