Great job, and great fun to read!
I completely understand this kind of obsession. Many years ago I earned over 50,000 American AAdvantage miles through a Kelloggs cereal promo. It only cost me $60 but involved weeks of clipping coupons, running from store to store, sending in rebates, etc. (Link to the story:
http://www.flyertalk.com/forum/archive/t-4123.html)
Enjoy all the "free" travel you've earned!