Repeat after me: Bioshock is brilliant. Good. Again! Once more, just to make sure. Nice. Now say: System Shock 2 is way better and you'll be allowed to audiovisually enjoy this amazing Zero Punctuation Bioshock review by Ben "Yahtzee" Croshaw the Wise and -apparently- Very Funny.
Disclaimer: In the unlikely event you were expecting to find something else here, probably judging from the post's cunningly typed title, well, here's where you can grab your Bioshock (proper) widescreen hack and here's this lovely tweaking guide you've always wanted to have a look at.
[Update]: Nearly forgot. Find Bioshock walkthroughs here.
Related @ Gnome's Lair: Grab the (free) Bioshock soundtrack, System Shock 2 2k7, Duke Nukem 3D high-res