Today we proudly announce the official release of TKLDev, the new mothership of all TurnKey Linux appliance development. With TKLDev, building TurnKey Core from scratch is as easy as running make. If you can handle that you're ready to roll:
As Liraz mentioned a couple of weeks ago, TKLDev - TurnKey's shiny new appliance that can build appliances (including itself - now that's cool!) will soon be released, along with all the appliance source code.