Peach is by far my favorite Ice cream flavor, also very hard to find. The University I attended many moons ago has a creamery where they make to-die-for ice cream fresh from the cows, and their peach Ice cream actually has full slices of peaches in it, not just little bits...
As far as ice cream from the local grocery stores, one store carries this flavor, and it makes some awesome milkshakes, too:
And even though I appreciate a good Toblerone, I don't care too much for any foods flavored with chocolate, including ice cream.