If you run into any game that is too big to burn to a dvd always remove these files first: dashupdate.xbe update.xbe downloader.xbe 9 times out of 10 it will then fit onto a DVD, these files are for XBL gameplay and of course you should know that you can't play on XBL w/ a backup game anyhow so you'll never need them.
http://www.balugabutt.com/xoops/modules/news/ or you could just start going there and looking under deletions.