Useful things need more people like it. Aiseesoft is the best example.
Recommend practical tools to everybody.
Video converters for video fans:
Aiseesoft YouTube Converter ----- a total video converter but also an online YouTube video downloader, convert between all the popular video formats, including FLV, MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, etc

Aiseesoft Total Video Converter -----convert video to MP4/MKV/WMV/AVI and other popular formats such as: MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, etc

Aiseesoft Mod Video Converter -------convert MOD,TOD,MPEG,MPG, MPV,MP4,VOB files to all popular video and audio formats: MPG, MPEG, MPEG2, VOB, MP4, M4V, RM, RMVB, WMV, ASF, QT, TS, MKV, AVI, 3GP, FLV, MPV, MOD, TOD, MP3, MP2, AAC, AC3, WAV, MID, MIDI, WMA, M4A, RA, RAM, etc.