I think the key difference is FOV not resolution on this which will basically put you in there, albeit not as sharp as you'd like.
There was a good point on one of the boards that HD will be hard to achieve on regular hardware just because you'd need to render at a minimum 60fps for each eye, and at 1080p few recent games will render at a smooth 120fps which this implies :) Maybe using 2 graphics cards?
Don't worry, Palmer Luckey has already stated that higher resolution is a top priority for the next version, and it's definitely achievable. The small high-resolution and low-latency display panels necessary are just starting to become more available. The race for retina displays in phones is helping a lot there.
There was a good point on one of the boards that HD will be hard to achieve on regular hardware just because you'd need to render at a minimum 60fps for each eye, and at 1080p few recent games will render at a smooth 120fps which this implies :) Maybe using 2 graphics cards?