Well I’m currently in the process of buying my second ‘real’ locomotive. It will be a P2K SW 8. I know these are DCC ready but do they require further modification? How much space is there for a decoder? Thanks!
See this thread. All the P2K SW’s can use the same drop-in decoders:
http://www.trains.com/TRC/CS/forums/956111/ShowPost.aspx
HTH,
Steve