I have only consulted with Sting once. I plan to go back when my life calms down and finances line up.
Funny Story:
I called his office at 3:30AM. I planned to leave a message for him to call back and tell me when I could come in and consult with him. Oddly enough, he answered.
I was a bit shocked. I had a message all planned out in my head and when he answered I was a bit flabbergasted. I ended up making plans to see him later that same day.
Sting is a super nice guy. He is far from other artists around that have a bit of an attitude. If you talk to him at any length of time you should quickly notice that he is there to tattoo because he genuinely loves it... no other reason. THIS is the type of person you want tattooing you IMHO.
When I get my tattoo's done by him, I will write a followup. Until then, I think that Sting is a Diamond who everyone passes by thinking he is a cubic zirconia (not sure why since hes won plenty of awards and his work is freaking amazing!)