Gmod 2 is comming...

S&box wont necesarrily take over Gmod either. Gmod is going to be inherently different from S&box and always will be, and i'd expect it to survive a few months or even up to a year after S&box releases because of the amount of big communities run on Gmod, and the fact that S&box will be coded in C# as opposed to gLua, which Gmod is coded in.