For file conversion I use click here which is free, which will also convert the files from the Nokia phone. You can also drag the video philes across to super and convert several at once.
Then I compile a home movie and photos with sound in Nero7 ultimate. I also use adobe Premiere Elements 5 as this will read files straight from the Everio Camera.
Microsoft Movie maker although free is a bit limited as to just what you can do and also compresses anything you make into its own format.
I have only posted my pointers as its not a thing I often do....but just to show you maybe that there is easier software out there.
Also I'm interested in any other tips for getting my movies to DVD