I don't have much experience with saws, but I bought a used 441 non m-tronic from a member here and I like it. I only have a McCulloch 650 and Stihl 251 c-be to compare to, though. The 441 weighs about the same as the 650 yet is much more powerful.
I recently switched to an 8 pin with a 20" bar and full chisel now that I've gotten decent at hand filing, and it seems to cut great. I also run a 7 pin with a 25" bar for my homemade Alaskan sawmill I built a few weeks ago. It's about all the saw wants to handle, but works well enough for me. Great on gas compared to the 650.
I'd love to find an m-tronic to compare to, but I fear I'll just want it permanently.
I've also run friends' 075 and 084. While they're beasts compared to the 441, I'll gladly keep what I have. There's not enough big trees where I'm at in Indiana to justify those huge saws (even for milling) as I'd lose the dual purpose role of the 441. I can fell a tree and limb and buck it without feeling like I'm carrying a 50 pound bag of feed around.