Ben-Q Firmware?

[number 2]

Can someone please tell me what the new Firmware does for you when update the Ben-Q Dw1620?

Also how can you tell the differance between the DW1620 & DW1620 Pro?

[freonchill]

dw1620 over @ the normal site

http://forum.rpc1.org/dl_firmware.php?download_id=1905

and looks like the difference between the regular and pro is the same between the NEC 3500 and 3520

DW1620 (http://www.benq-eu.com/products/DVDRewriter/?product=443&page=specifications)
DL 2.4x
DW1620 PRO (http://www.benq-eu.com/products/DVDRewriter/?product=507&page=specifications)
DL 4x