I live in northern Il. I ride here, northern Midwest and 2 trips planned out west this year for the end of January, and beginning of April, the stock track has done very well for most conditions except deep powder and is still in ok condition after about 1300 miles. I'm thinking that Jan trip is going to suck without a powder track, so if I'm swapping tracks why not 155? Or just buy a new Pro 155 and keep the assault 146 for spring snows, I'm very close to buying a new sled for next season and I don't want to dump tons into the assault which I'm also keeping, dumping the short tracks, not used anymore.
I like riding in the tight/steep/ trees and cornice drops but not much of a jumper, trails and miles not fun for me anymore