I wanted to get the extra lighting effects that the TSU1000 offers, so I swapped out the decoders in my Kato GS4. It now has DCC controlled Headlight and separate controlled GyraLight, and DCC controlled Reverse light. Here's a short video. [video=youtube;9c8lZBWt0Q0]http://www.youtube.com/watch?v=9c8lZBWt0Q0[/video]