Square Enix announces a spring 2010 release window for Supreme Commander 2 in PAL territories for both Windows and Xbox 360. A batch of new screenshots from Gas-Powered Games' real-time strategy sequel accompany the announcement, and there's a graphics and units walkthrough trailer on GameTrailers. Here's a bit:

SUPREME COMMANDER 2 is the next installment in the award-winning SUPREME COMMANDER franchise, set 25 years further into the future. Featuring numerous game enhancements, an in-depth campaign mode, online multiplayer and a unique storyline, the game represents a new dimension in RTS gaming.

Boasting intense battles on a massive scale, players will wage war, creating enormous customizable armies and experimental war machines that can change the balance of power at any given moment. Assume the role of one of the three enigmatic commanders, each representing a unique faction with a rich story that brings a new level of emotional connection to the RTS genre.