I've got an app... RC Pilot Log... That is a fantastic tool to keep up w each item in ones hangar.. Keeps up with flights, stats, expenses(best leave those blank so u don't kick urself) and lots of other stuff.. As I'm sure w ur blog, Tony... Well for me anyway... That u have to update and use it to be accurate.. Started of strong but I've got lazy w it the past month or 2... But check it out... U guys might find it useful