I'm confused. I know there is the 4GB ceiling with  the FAT 32 file system of Windows 98. It there also a size limitation of AVI files? 
I want to make a really big (30GB or more) AVI video as a SINGLE file. I know NTFS (Windows 2000, Windows XP) can handle that large a file, but can the AVI format itself or is an uncompressed AVI file itself limited to no more that 4GB in size?