As someone who has been excited for this game since announcement, this gameplay demo from this E3 is not exactly instilling confidence.
I could be TOTALLY wrong, and I hope I am, but a lot of this game right now just seems really janky. The upgrade system has me worried, but then again, RE4 also had upgrades for health and damage, just in a slightly different way. Those events with that guy in white chasing you just seem to go away once you do enough laps of the level, raising questions as to why even include them. The level itself looked really nice though, that was one foreboding looking mansion.
Also, I know this sounds dumb, but as someone who is awaiting the release of this, I'm a bit offended/miffed that they made ones of those stupid scary reaction-videos advertisements for this. Glad that marketing and those who developed this game probably don't have the same vision. Dead Space 2 had a similar ad, and it was awesome.