I use MTH's DCS on all my layouts for control. I have used DCC.
I would suggest stepping back and deciding what you want to accomplish before moving forward with any choices. Some have suggested in the past, looking at what engines you wish to select. That may help determine what control system you chose. How many trains will be running, for how long, and how big will they be? Do you want to run with smoke?
Battery has come a long way. I look forward to brushless long running, low draw engines. I wouldn't think smoke draw will change much anytime soon.
I like big consists with smoke on, and unlimited running time, so track power was my choice years back. MTH released 2 rail RTR engines so that helped me decide. I already bought a few of their G scale engines by then.
