The creator did hint the fact that the sony version will have the edge since he pointed out the ps3's blu ray capabilities and the 360 only having a standard DVD. I'm still gonna get on PS3 regardless.
In a year it would. When they review games faster, sort out the forums etc. Think about it like this, it's done so well for a beta with so many people visiting the site, it's only a fucking beta! It will just you wait ;)