The 576 has a choke lever there but i'm not sure if you have to pull til it pops or what. Brad commented on how the 441 started but I can't remember what is was. It has 3 settings so i'm guessing no high idle setting.
The 441 has a choke, but you leave it on until the saw starts, you can't flood the saw, that's a big plus for inexperienced users.
wyk quit assuming I'm simply a cookie cutter, or that I'm bias. Get it through your head, the 7900 is stronger in every circumstance, small bar, large bar, softwood, hardwood it doesn't matter.
I'll be running the 576-AT and making a video of it's first start this evening.