I finally got fed up with my little $30 Target-bought-milkshake-maker and ordered one of those commercial-grade milkshake makers to arrive in a few days. To prepare for this, in addition to preparing for Doom 3, I require the world's best chocolate sauce/syrup/powder/whatever for making the ultimate chocolate milkshake. Traditionally I've just used Hershey's chocolate sauce, but I would not be surprised if there was a chocolatey world of goodness out there that I have just not been exposed to yet ....