Budget for becoming debt free

I've been sitting around playing with Google spreadsheets for the last few hours and I think I may have completed my rough budget now. Assuming no other major obstacles - such as the unexpected $122 bill I just got, I will still be on track to be debt free by early August.

I've adjusted some of the figures to protect the innocent, but most of the budget is pretty much correct:

here's a copy if you'd like to take a peak:

Reggie's budget