@SW hunter can chime in but he hasn't posted in a few years...
but I can say with your plans for up to 4 people not overkill, on the trips of just one person, overkill; two people not overkill and plenty of room.
The canvas tent will have better R-value then a sil-nylon tent too, and virtually no condensation compared to sil-nylon.
Just heavier and more expensive is the trade-off. Probably last you a lifetime with normal use.
Super high quality tent. Tell Tom at
@Mansfield Outdoors you saw it on Rokslide if you give him a call. Not sure he runs a Rokslide promo, but let him know in case he does.