AVI/MPEG/RM Joiner (formerly EZ Merge MPEG & RM) will help you to join multiple AVI, MPEG, VOB, or RM video files into one large movie file.
It allows you merge an unlimited number of video files as you like to one with just a few clicks. You can enjoy your movie clips without interruption.
Features :
- Support AVI, RM, MPEG-1, MPEG-2, MPEG-4, DivX, VOB files.
- Join video files as many as you want.
- Scramble and rearrange the video clips in the sequence that you exactly desire.
- Very User-friendly interface
More info:
hxxp://www.boilsoft.com/avi-mpeg-rm-joiner.html

This is perfect for joining files,

Thanks for the link.