Spooki,
I think our situations and riding style must be very different. As I said, I don't skid; I skip. Even with the stock tires (that came on my fuji) worn down to the cloth layer in several places, I only get flats once a month or so. Even then, I patch my tubes, which takes about ten minutes and costs pennies per flat. Sometimes, the question isn't whether you want to spend money now or over a period of several months, though, because spending 60 dollars to replace a tire is not an option. It's not very often and it certainly isn't the case now that I have 60 bucks to spend on anything. Thanks for clarifying, though.
jpdesar, where do you get your vittorias?