the model ghn mentioned has worked in my 7811 for well over a year now, some of the actual burners are not that badly priced now either something like http://www.ebay.com/itm/Slim-Laptop-Panasonic-Blu-ray-Burner-DVDRW-Drive-UJ-240-/370530456321?pt=PCC_Drives_Storage_Internal&hash=item5645561301or
one of the 260's. I do remember in the earlier days there were alot of different firmwares on the ct-10n and and it was a crapshoot as to which firmware ver one was getting. Some of them would not work without anydvd running in the background. Ebay is going to be your best bet.
Also a very easy swap, probably the hardest part is installing the faceplate as the little locking tabs van break easily.Edited by andy A - 9/22/11 at 3:03am