For everybody talking about playing the main I hope they mean with the traveler and not the sheet...
I used to think that way, too - but I took some coaching and learned how to sheet in the puffs. I was startled at the effect and I've been doing it since. It takes timing, a fine sense of the puff and a good feel for the boat. Every time I feel like I start to get a handle on this cat sailing thing, someone shows me a new horizon.