Oh, if it's only one saw for *milling*, then I'm firmly in the "no replacement for displacement" camp. That being said, a 90cc class saw will do what you want, no problems. If your other saws are Stihl, one benefit of the 90cc class (066/MS66x) is that they have the same bar mount as the smaller Stihls, and can run either 3/8 or 404 chain on the same sprocket (don't ask me how, I haven't looked into it yet), so if you decide one day that you want to use your 660 for something else, with a shorter bar, you've got the option. While my 066 *mostly* is just for milling, every now and then I appreciate the ability to stick a 24" or 30" bar on it and go to town on some Really Big Wood. I assume a similar situation would apply to some subset of Husky saws, but I've never had one so I can't authoritatively comment on what matches with what.