They do make a couple of generic bins. ($0.61/brick on Amazon) and you can pick up clean lots on eBay. Though I've not seen it myself I'm also told you can buy

They do make a couple of generic bins. ($0.61/brick on Amazon) and you can pick up clean lots on eBay. Though I've not seen it myself I'm also told you can buy from bins at the Lego stores. I know what you mean though, as none of these yields exactly the set I'd prefer (lots of variety in very few colors).