Personally I love using SDCentral, I bought Galciv first and it was great having the discussion boards along with the downloadable updates and product info available through SDCentral.
I would love to see (at the very least) these forums added as discussion groups into the SDCentral interface, and perhaps under the totalgaming.net tab which lists all the games it could initially load the totalgaming webpage in the lower half of the split screen interface for updates or something... I definitely think giving some more attention to totalgaming in SDCentral would be great. I also realise that at least at present, TG.Net is a less profitable branch of stardocks main product line and it has to come in at least second in resources devoted towards it's maintenance and development.
But Please. Add the Forums as discussion groups in SDCentral!!!