I sell you my plated XR600R and my TE510
figure out which you like better.
I've never ridden anything orange, but a 610 sounds awesome for what youre looking at. My 510 and the 450s I've had are true enduros and needs frequent oil changes ... But hot damn!!!... They are fun innthe dirt!
You'll notice the longer wheelbase and rake on the 610 over your WR, but you'll love the torque and being able to pass peope going 80mph if you need to.