For simple and fast, high quality conversion of AVI files to DVD use WinAVI Video Converter.
As the name suggests, this tool is the simplest way to convert any type of video files quickly and easily. This effective tool is capable in converting: AVI to DVD, AVI to VCD, AVI to MPEG, AVI to MPGG2 HD, AVI to WMV, DVD to AVI, MOV convert, all video format to AVI/WMV/RM, and output vcd/svcd/dvd even HD format. This tool is enhanced with a powerful video decompress/compress engine along with features like: Flash SWF conversion facility, QuickTime MOV conversion, enhanced with a real time DVD Navigator encoder, DirectAC3 technology supports AC3 5.1, support for Real Dolby AC3 audio encoder, the output audio and video files are of stunning quality, support for real time video preview, and much more.
This must have tool with its features and capabilities also supports the NVidia CUDA Encoder, for h264 encode speed up 400%.