rulesPlayer

rulesPlayer is a clean and easy-to-use GUI for MPlayer under Windows, written in D and DWT. rulesPlayer supports most popular media files (AVI, 3gp, ASF, FLV, Matroska, MOV QuickTime, MP4, NUT, Ogg, OGM, RealMedia, DivX plus many more) supported by many native, XAnim, and Win32 DLL codecs.

You can watch VideoCD, SVCD, DVD, 3ivx, DivX 3/4/5 and even can watch video files while you are downloading them!