I've been using a double bowline with the Yosemite-style stopper for a long time (I've also heard it referred to a Jack's bend, but I can't find anything quickly to confirm that). Some people give me a hard time about using a double bowline, saying it is "unsafe," but their reason usually boils down to "it's hard to visually inspect." My belay partners (very small list, because I don't let just anyone belay me on lead) typically remind me to re-check my knot just before I leave the ground.