I think SC is great as it is! IMHO, if all those suggested changes were made, it would be different, but not significantly better. I have not encountered any severe technical problems, either.
But there is one crucial point: I'd like to pbem against my German mates I know from hundreds of Panzer General battles (I run a PG league). Many of them would also like to play SC - but their English is not good enough to understand the manual and some messages in the game.
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Are there plans to provide a German version?
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The manual and the FAQ - play guide could be translated by ourselves, but of course not the game itself.
All in all, not too much effort, but many new SC fans!
Additionally, I'll start a small, strictly non-commercial SC-Website. Hope nobody would mind me using some pics from the official battlefront site (with credits, of course).