Saw it over the weekend - been a fan of the RE franchise since first flick and a Milla fan since The Fifth Element.
Didn't think 3D added much - frankly forgot about it most of the time (how many shell casings flying toward you can you remember). Milla looked great and always looks fresh despite the carnage/smoke around her...though she did have some soot on her at the end I guess for "authenticity".
As for reviews its should be expected to be panned as a fanboy or teen-age shoot'em up/zombies/apocalyptic unneeded sequel by the general press - but to fans who just want to be entertained it was better than RE3 Extinction IMHO.
No Spoilers but RE 5 can't be too far off...
Movie site -
http://www.sonypictures.com/movies/r...fterlife/site/