The frequency of "the PC version is better" meme in light of the reviewers given access to the 360 version suggests herd mentality is in play.
But I've tried it myself (now with the full game, too) - the PC version could really use sharper textures here and there, but it's thankfully "could be better" on the quality scale, and not "Crysis-2-bad". Also, loading times? I don't know what the full game had compared to the demo, and I don't know differences between the PC and 360 versions, but loading usually takes about 10 seconds for a brand new level, and 5 seconds or less if I do actually die at some point. I don't call that bad at all, I think the console version is a bit unoptimised and rough around the edges (and in between too).
Facial expressions are almost carved in stone however, feels like a throwback to 2002 or so, that's a big minus.
But if you stop looking at the graphics so much, you can have fun with it, I know I did.