Thanks for that bbqkees, I'll give it a try.

Is this transition time possible via the API ? Yes, you can find it here: http://www.developers.meethue.com/documentation/lights-api transitiontime uint16 The duration of the transition from the light’s current state to the new state. This is given as a multiple of 100ms and defaults to 4 (400ms). ...

Thanks for adding Hue support. I've just downloaded Domoticz to try it out, and all works well, great :) One thing I'm missing though is the 'transitiontime' argument, is there a way to accomplish this (via the interface of LUA)? As it's my first day working with Domoticz I'm very unfamiliar with ...