On Sat, 3 Oct 2009 17:54:22 +0100, "KD"
wrote:

Anyway, I'd like to replace them with LEDs.

You might want to try one first, not only are they not as bright as
halogen they have poor colour and often far narrower beams than GU10
so you get pools of anaemic light just where you don't need them and
darkness where you do.