Hi all!
Just found this really great calculator that calculates your estimated BMR, BMI, and TDEE numbers. You plug in your personal values and it gives you your estimates. I really like how there are explanations for each of the values (the little "?" beside the values). Using this calculator, I can "predict" what my calorie allowance will be once I reach the weight I want to be, but it is also good at giving you what you should be eating to lose weight.
http://www.sailrabbit.com/bmr/