It has already been said.
The most effective diet is
1 - something you can sustain
2 - something that can become a lifestyle change - in other words, something you can do forever
For me, calorie counting is the way to go. I HATE deprivation. Tell me I can't have it, and I want it all the more. Portion control is a must for me. All things in moderation works for me.
I eat very healthy foods 90 percent of the time. The other 10 percent is stuff that I love and that I have worked into my plan (red wine, dark chocolate, pizza, ice cream, etc.)
So, while all things in moderation works for me, the key is that some foods need a LOT of moderation
I agree with Colleen - I tweaked my plan as I went along. If you read my goal story, you will see that I followed a cycle: plan, execute, gather data, evaluate, repeat cycle. As I lost weight, my plan changed. As my journey continues, my plan changes. This is a journey - with new twists and turns along the way.