Originally Posted By: Dignan
... I'm going to avoid all those candle bulbs until I see a decent model (probably made by Cree). I suppose the shape is the biggest challenge, since it's probably the most visible of the common bulb types. There's nowhere to hide the stuff they need to hide.
Perhaps some day there will be split retrofit kits where the electronics are mostly in a separate module so the bulb part just needs to house the actual LED bits, and the rest of the electronics can be tucked into the base of the fixture.

This is effectively what happens when 12 volt bulbs (halogen or not) are used with 'electronic' mains transformers located in the lamp base or adjacent electrical box.

The compact CFL world eventually had segregated/replaceable bulbs and modular electrics, although I mostly see these in commercial applications.