Paleo Lifestyle by the Numbers

There are lots of benefits to having a Paleo Lifestyle, but there are two questions I really want to track:
1. How much does a Paleo Lifestyle cost for a family of 4 (2 adults and 2 toddlers)? How is that different from before?
2. How well does it really work for losing weight?

I'll be tracking those two questions here:

Baseline Costs:
2009: $303.88/Week


Week Grocery Bill* Weekly Avg. Total Weight Loss
Week 1 $369.28$369.28 2 lbs
Week 2$460.84$415.06 2 lbs

Goal: Lose 66 lbs.

*Includes other household items like diapers, toilet paper, cleaning supplies, etc.