ViewSonic M1 WVGA Ultra-Portable Projector with Dual Harman Kardon Speakers (Silver) vs WORKFORCE Safe n Secure Video Projector Hard Case - For Viewsonic DLP, WXGA, 1080p and 3D Projectors - Models PJD5155 / PJD7820HD / PJD5255 / PJD5555W / PJD5533W / PJD5132 / PJD5134 / PJD5153