Fixed mags are just plain batter, period.
So many SKSs have been "pimped" with accessories like stocks and mags that each one is almost individual.
I recommend the Yugo M59/66 as the strongest, most substantial, and very comfortable model.
A brand spanking Norinco, which is what you seem to describe, is also alright. Being as I just noticed you're in Canada, it may be an AK mag version. If so, the only reason to have it is to use real AK mags, which you don't have in Canada due to the 5rd limit. The fewer the rounds, the more practical a fixed magazine is to load with strippers. Only reason I can see for a detachable mag is if you use a full length scope with shell deflector that blocks the stripper clips from feeding.
Finding out the make and model of each would help us help you. Good luck!
BTW, after all our crazy import regs and grandfathered pre-ban weapons, those prices are fair and common in USD here in the USA!