Bobby Ogage posted:i have been procrastinating about integrating TMCC into my DCS because my DCS works so well. I have only one Lionel engine which operates with TMCC. However, in the instances that Lionel makes steamer or trolley I must have that MTH does not offer, I need to at least have TMCC and maybe Legacy.
I would go with the Legacy system, you will have all features that Lionel offers. And you never know when something will come along that you just can't pass up. 
If your DCS is working well, all you have to do is add the signal wire from the Legacy system to all the commons of your TIU and you are ready to go. You can also connect your TIU to the Legacy base and use your DCS remote or app to run the Lionel items. As I said above, I didn't do that, I kept them separate and use the Legacy for Lionel stuff and DCS for MTH stuff. I also have probably 80-85% MTH on my layout. Anyway they both should 'just work' after you do that and will not have any effect on your DCS system. At least that is how it worked for me a few years ago when I added Legacy. It really was a very easy add on to my system.
