Jan 10th 2011, 22:34:50
My suggestion for bonus point -> turn usage: scale the cost infinitely, so that first turn is 1 point, and the 10th free turn is 10 bonus points. Theoretical limit is, of course, 16 free turns that way (17 if you really push that 22 hour bonus).
Or just limit the number of times you can use it (2 points per turn seems about right), but that's boring. :p