I have an Optorite DD0201 that is making me crazy. The drive works fine using the 2.3 flash, but many of the copies won't read all the way through. I would like to upgrade to the 2.5, but that is where the problems start. When I flash to 2.5 the drive works fine with CD's and will read a DVD, but it will not write to a DVD using any of the software I have tired. I can reflash back to 2.3 and it works again. I have tried CloneDVD, Nero 6, and a few others, but it won't ever start to write. I get an error 10 something with CloneDVD. My system is P4 2 ghz, winXP, 512 ram, two 80 gig hd's. I have tried to get help from the Optorite site, but none has come. Thanks for any help, or suggestions.