It would be unfair to the principal, who would have to hang up on you to protect himself.
Look at it this way - if this HH has survived this long, he must be good :) You're far better off building a close relationship with a quality agent than doing what you're thinking of doing.
One good thing about dot.bomb is the weed-out effect it's had on PC jockies, headhunters, and Micros~3 slaves.