I'll work on a review later in the week or early next week. I can't believe I didn't play this before now. It is an insane experience. The story is great and the end left me doing a "WTF" turnaround.
9.5/10 only lost .5 for no pr0n.
Update: 29 Nov, 2009 - Edited post, corrected spelling, removed broken links, and applied labels.
I ended up NOT writing a review for HL2.