==Surround Gaming support==
Native.
Simply select 16:9 aspect ratio to access SG resolutions in the options menu (or run SGU).
Here are some screenshots to compare to the original poster's:
SG Ingame (sorry, not the same place/characters...)
SG Minigame
Note that you can move your ship to the edges of your display, so you can spot and shoot enemies earlier than in normal resolutions.
SG FMV
SG Cutscene
==Take it or leave it==
[+] The character sheet, quest log, texts and subtitles stretch too, but can still be read easily, which is the most important.
[-] There are quite a lot of nice short FMVs throughout the game, their stretching is much more annoying.
[-] Maps are mostly corridor-like (even the cities) and everything happens right under your nose. The game is too "narrow" by nature to really benefit from SG, if you will.
[-] Hotkey for PowerDeskSE's Bezel Management is NOT functional ingame. (Alt-tabbing to use the hotkey on the desktop then get back into the game works though.)