Today I finally managed to find what was evidently the only copy of Deadly Premonition in my town. Having spent over a dozen hours with each of the ERs, I got tired of yelling at my monitor and scoffing to myself, so I took the plunge.
 
I suppose that's all I have to say. I've only just gotten to the first scene with Polly, so I probably won't catch up before the ERs finish. I'm also surprised how little information seems to exist about this game online, in terms of guides and such. Maybe I'll be methodical and write my own...