I need some help here.I have a Nec-2510 drive. i had f/ 2.16,then 2.17 then Mad dog 2.f7 and 2.f8. I havent burn any DL dvd for a while (since original f/w version) Today i tried to burn a movie and the error message comes up "source is too large" then i flashed it back to 2.16 now its coming up the media is not compatible.I am using verbatin 8.5 DLD media. Please help me what should I do? What is the best f/w for my machine now. Hope someone can help me ASAP.