I enjoy small shops... but I'd go into large ones if I could get significant scores. It gets a little tiring and leaves you a bit disenchanted when you've got so many things on your list you'd like to find, that cost $300~ on internet prices and shops like to rack them up past their value due to misunderstandings on why they've sold for what they did. Even selling some on Craigslist turns into "well do you have anything valuable you're selling for less than $1?" And because most sellers are idiots all the dealers/collectors tell you they just inherited a turntable from grandparents or something made up instead of the real story. So if I can walk into a place that's a bit crazy and get some good finds without feeling like everyone's trying to gouge me, that'd be rad.
I like
this website because it's easy to use while driving, will even update to your location.