Have you ever used
http://www.liquorconnect.com? It's a great resource for seeing who carries what you are looking for in the province.
For example Quail's Gate Old Vine Foch can be found in
41 stores in the Edmonton area. It doesn't look like Mount Boucherie Zinfandel is carried in Alberta at all, however.
A lot of the smaller BC wineries don't sell in AB or sell limited quantities as they focus on BC and at the winery alone. For example, I really like Tightrope's Pinot Gris, but can only buy it at 9 places in Calgary, or at the winery (which I bring home a case of every year!)