Hiya,
While I still enjoy all the Galcivs and am eagerly awaiting the full release of TA and Sins of a Solar Empire, I've come across an excellent turn based strategy game from Cryptic Comet.
Armageddon Empires is very much like the old hex-board games with some nifty card units thrown in. It recieved a great review over at The Wargamer, and was developed by a independent developer. I tried the demo and had to buy it (30 bucks). Check it out if such things interest you.
The game's creator, Vic Davis, is readily accesible on the Wargamer forums for Cryptic Comet, and responds readily to most posts. Here's someone, like Brad and Stardock, who are into their game for the love of gaming and eagerly listens to the player feedback.
Here's a link.
http://www.crypticcomet.com/