I have a few halagon tochre lamps.  Inevitably a contact on one side of
the lamp becomes corroded (pitted, from electrical arcing I assume)
after a year or so of use.  This leads to poor and failing connections.
 I've tried sanding down the contacts, and replaced another set.

I was wondering if there exists a good set of contacts which won't
suffer from this problem, or if it could be alleviated with conductive
electrical grease (and are there high temperature greases which would
work well).

The obvious solution, of course, is to replace the lamps with energy
saving, less heat emitting, non-dimmable flourescent lights.  But I like
the dimmability, the diffuse lighting (indirect from the ceiling), and
the cheapness of these devices.

Any suggestions would be appreciated.

-Adam

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