Looks like the CF interference issue has hit me. I posted about on Smarthome's forums.
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I've had almost all CFs on one leg of my circuit for months and it just now started to be a problem, where the Insteon devices would receive and act on signals but couldn't get their status's out when more than a few CF bulbs were on.It got me thinking, how hard would it be to make a screw in filter that sits between the bulb and the fixture? Or does such a device exist?