I did it.
Final Hour Count: 6:13
Mode: Normal
Ending: "Bad"
An all in all enjoyable experience. Barring the voice acting (so bad...) and the sometimes frustrating camera/walking controls, I was gripped throughout the length of the game. The concept of the story is superb and that was the carrot on the string for me to continue through to the end. I am definitely compelled to play through the entire game again with the offer of one of those 'New Game+' things where you get cool new weapons (Chainsaw!) and access to areas (Police Station!) that were previously inaccessible - but it will have to wait until I finish everything else...
I'll have my full review up in the next couple of days.