This has nothing to do with the first message on this thread (lamp module and dim-on), but it is regarding dimming, so I thought someone might be interested.
Here's a link to make your X-10 wall switch capable of local dimming.
It's just a matter of soldering two contacts points together on the circuit board.[Link: members.aol.com]
** The webpage has it's own disclaimer, so I'll spare you the repeat.