Thanks for the input all. I might try to swap to w106s if they fit my bike. Not a lot of clearance on my fork, which was what had me asking about a10s/32 studded tires anyway. Yes, obviously there is a marked difference in weight and rolling resistance between my gatorskins and Nokians. I felt it climbing and riding up-tempo on the ride home from work after classes. On the other hand, I feel like the difference between a10s and 106s will be small. The A10s just don't look all that competent riding on a snow/ice covered bike path. Maybe riding them would teach me that this assumption is incorrect, but I feel like a marginal increase in rolling resistance for added insurance on ice/snowy terrain would be an ok trade-off.

Plus I'll be super ******** fast come spring.