Just in case anyones interested, I made an Asteroids-ish map set in the skies of Bespin, with Tibanna gas platforms and turrets. If you want to, d/l it here:
http://www.pcgamemods.com/7410/)
I second that - very reminscient of Rogue Leader on the gamecube (and that's a good thing:) )
Wow. The Tibanna gas platforms look great!