Check out this software:
http://www.dietpower.com
If you're familiar with the Little Green Book idea from LanceArmstrong.com late last year you'll have an idea of what this program can do.
Pick your target date, target weight, input a few physical details about yourself, and you're off to the races.
I've dropped from 215 to 170 so far and should be at pre-season weight (from many, many pre-seasons ago) in another couple of weeks--ahead of schedule.
Download the demo and give it a try.