Hunter and Tancredo have been by far the best candidates on the immigration issue (and consistently so over a long period of time), but if either of them emerges with the lead anytime soon I'd be more than a bit surprised. ....and more than a bit thrilled.
Hunter is great and I would whole-heartedly support him. But Tancredo, though his ideas on immigration are good, is perceived a one-issue candidate. The candidate who will appeal the most to voters will be the one who combines common sense with conviction, a track record to support it, and the most important thing- believability- on all the key issues. In my mind, that opens the door for Hunter and Thompson. Personally, I’d put Tancredo in charge of INS. :)