Although my wine knowledge is limited I do have a fondness for the late harvest and icewines.
I visited this winery in Niagara upon a recommendation from a friend. OM MY GOD...they had the most wonderful late harvest and icewines. Looks like they have won a few awards as well.
I don't think they are a very big winery but if you get the opportunity to try an icewine from Magnotta, I think you'll enjoy Then again after 6 or 7 samples, perhaps everything tastes good hehehe.