Yeah, the writing speed is limited to only 48x with TY discs. Try some other media. I've had some pretty good luck with Imation's 48x discs with that drive.
The T805 firmware is out now too. Other than flashing my drive with it and running some DVD read tests, I haven't had a chance to try it much
http://www.samsungodd.com/korLib/popup/ ... 1_T805.BIN