You might want to try shelf-stable milk (or cream) that comes in the 1/4 and 1L cartons. The brand I use (the only one I can find here in the US anyway) tastes about the same as refrigerated milk to me but of course YMMV. The only issue is that the shelf life is under 1 year I think.

http://www.shoporganic.com/product/organic_valley_whole_milk_uht/milk_products