I usually keep my more specialty beers (non-everyday beers) in my temperature controlled kegerator in the mid 40s. If you don't have the space for a kegerator, I have seen small temperature controlled wine chillers that can hold 4 bottles.
“Beer is the center of everything. Everything revolves around beer. When you drink beer, everything revolves. Therefore beer is the center of everything.” — University of Waterloo Engineers
Primary/Secondary: Canadian Dallas Dark Coffee Ale
Bottle: Belgian Battering Ram (Tripel), Assassyn (IIPA), I Am GRoot Beer