Falling and bucking isn't all that easy, I know too many old fallers with bad backs now. I used to fall back in my teens, it was all piece work, you learned to get it done fast. The saws were heavy and ugly, no safety guards, the ones nowadays are lighter and more powerful, anti-vibe. A 272 or 288 gets the job done quickly. My little 61 is the perfect saw for the older guy, not too heavy, not too light, so you don't spend too much time chewing through a log.
Go on youtube and watch those guys fall the douglas fir.