Buy the book. This site is helpful, but the book puts the package together for you and gives you the plan you need to follow.
I've been doing PB for 2-1/2 months, I've lost 15 lbs. When you consider I was losing weight over the holidays (Thanksgiving, Christmas and New Years) that's not bad, hey? This program works, for most people. I'd say commit to follow it for 30 days. See what happens.
High Weight: 225
Weight at start of Primal: 189
Current Weight: 174
Goal Weight: 130
Primal Start Date: 11/26/2012