Well, after good 6 years it's now time for me to honour this great game finally! And - it remains a musical delicacy!
When it came out, SS 2 was like its predecessor a revolutionary game. It brought great graphics, a brillant story and a magnificent atmosphere. Definitely awesome was its industrial trip hop sound. I hardly remember any game during all those years which could compete with it musically, I would list only the good old Quake with the soundtrack from Trent reznor and maybe Vampire the Masquerade - Bloodlines with music from great Goth-bands.
It's a immense pity that Looking Glass Studios doesn't exist anymore. Every game they've made was a masterpiece - it the System Shock or the Thief series. I hope the programmers will continue in solo projects of similar quality.