Heading North...Loveland and Greeley
Grumpy's Vodka is now available in quite a few more stores north of Longmont, and one to the south.
Berthoud - Berthoud Wine and Spirits
Broomfield - Casablanca Wine & Spirits
Greeley - Westlake Wine & Spirits
Loveland - House of Spirits, Liquor Max Warehouse and Thompson Valley Liquor
Here's the full list http://www.anvildistillery.com/where/