X-Wing Vs. TIE Fighter or Star Wars Galaxies' Jump to Lightspeed might want to hold your horses prior to pinning your hopes on BioWare's Star Wars: The Old Republic. The forthcoming MMORPG is rumored to feature space combat "on rails," which basically means it could be nothing more than a mini-game or a "tunnel shooter" that severely restricts player movement in the form of pre-set paths and goals.
While this is currently unofficial information, you can find a detailed write-up at the German fansite known as Online Welten. Purportedly, site contributors were privy to an upcoming article in PC Action magazine which goes into detail about some of the mechanics.
Check out the original article (auf Deutsch) or the Google-translated version.