Lite On released a new firmware for their 1633s, 851s, and 451s drives.
http://www.liteonit.com/ODD/English/e_d ... d%20rw.asp
I really wish they would say what has changed except saying match more media.
If anyone uses the new 851s firmware, please let me know how it performs to the previous firmwares. What is the best official firmware for the 851s at this time?