I'm surprised that there is soo much faith in the "soon" to come patch for MOO3. Well true fanatics have faith in anything, I can understand that.
Thinking that a SINGLE patch will fix this plethora of bugs and designfaults is VERY naive. Due to time constraints, testing for this patch will be even worse than for the original game. The more changes are done simulaneously and without good testing, the more problems will arise. My personal guess is that for every 3 bugs fixed, there will be one new popping up. And this is a conservative estimation.
Recommendation: do NOT buy this game until after this omnious patch is really available "soon"(TM) and has gotten the first feedbacks. Right now, the so-called MOO3 is one of the worst games I know (personal opionon of course).