I've had mine on now for a couple thousand miles, but only a little snow.
In the 'greasy' snow they grip really well, except if you start going sideways then they just keep going, but I think that would happen with any tire.
Just drove through a cold blowing snow storm last night (very windy and gusty with blowing snow). Had the cruise on until I saw patches of snow sticking to the road, then took off the cruise. Never once felt any loss of traction.
I had Discount Tires mount the white letters in. White letters out looks too 80's for me.
Lost mileage, but then again a 4lb heavier tire with 1" more tread width on the road will tend to do that...