Haven't had time to fully try the update but a quick look shows v2.0.1.9 allows you to burn a disc image on your hard drive even if Vision thinks the project is too big. There's also an update for Nero 6 that is supposed to allow overburning. Well, it only took about 4 weeks and 3 e-mails to get a response from their tech help but I guess it's "better late than never."

http://www.nero.com/en/nero-up.php