Just finished the PC version.
After playing the demo and reading several reviews I was expecting the worst, but I actually really enjoyed it. It isn't pretty, innovative or worth the wait, but it is FUN.
The gameplay is solid, the enemies are fun to fight against (shooting pig cops, assault troopers or Octobrains never got old), and the more traditional weapons - pistol, shotgun, machinegun, pipebombs, tripmines) are very statisfying to use.
Shit reviews like Eurogamers' are depressing, especially when you see turgid stuff like CoD and Resistance 2 getting 9/10. In a parallel universe where more games in the genre continued down the Doom II, Duke3D, Painkiller, Blood and Heretic route it would deserve 3/10, but given how boring, grey and predictable AAA fps's and their protagonists have become, it gets a solid 8/10 from me.
I'll take fighting aliens in a giant fast food kitchen over commies/terrorists/nazis in a bombed out city anyday.