CFL friendly xantech will work perfect.
Plasmas generate a whole s*** load of EMI
The same is true with lighting control systems.
An Electronic (Ferrel) two magnets encased into a plastic tube. You can find them on Mitsubishi big screen ir blasters. you loop the wire through this(Receiver wire) and it will choke out unwanted emi in ir systems and voice/data systems as well. GOOD LUCK FIGHTING THE EMI MONSTER its all about trial and error!