Doh, definitely don't like where this is going. If they time each of the "games" something like 1 year apart, people won't notice as much.
Still - its still an RTS, right? Not some huge "adventure" game? I can't see any real justification (other than more profit) for making each campaign a new product.
They should release all three as a "basic" campaign (i.e. the game itself), for a normal price - then roll out the expansion packs.
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