My dad has some HD videos of Christmas that he took on his camcorder, but they're in AVCHD format (.m2ts files). These play fine on my PC, but they have a black border around them in fullscreen ...

However the problem is that iDVD doesn't support the .m2ts file format & so I need to convert these files to another format. From Apple's website I found out that iDVD supports the following formats: ...