Actually while I can't take the credit for the info, the information on what drives are in the firmware was originally supplied by the dishmod group on yahoo and I stumbed onto the info in the avsforum's.
It is like pulling teeth finding the exact WD model # drive, however the Maxtor 7Y250M0 can be found and so far seems to work fairly well. I have a bunch of programs set to record though the night to see what happens.
I really got interested in this after my 9200 got a 0551 error and had to be replaced. BTW it seems that the 9200's are having more of a problem in getting the 0551 error than its 942 big brother. There has been speculation that the firmware may be at issue here in that the 942's had this problem back in June/July, but nothing to the extent of the 9200. However the 942 has had a few firmware updates where as the 9200 had one update and I believe that was in early August, meaning older code BEV is using compared to the 9200.
At any rate there seems to be some promise in the ability to swap drives, however you have to watch the model #'s expecially the WD drives.
Alt