Here is a list of 3D movies that are coming to theaters soon. It includes the release date, the name of the movie and the 3D process:
S3D = Stereoscopic 3D - live action
S3DR = Stereoscopic 3D Rendered - 100% CGI
2D-3D = 2D to 3D conversion
2D-S3DR = CGI 2D to 3D conversion - usually...