I have had my stihl 026 for a while love the thing runnig a 18 inch bar and yellow chain. My question is if i wanted another saw maybe a fixer up to run about a 18 -20 inch bar just to have a spare around what should i look at? should i go for the 361 or 440 460? The 660 with the 20 would get heavy fast right? For the work i do the 20 inch bar is enough for the wood. I dont want to leave the stihl pros because they are so easy to work on.