There is a new version of
Twinhan drivers and software available. Not sure yet what enhancments were made. UI looks somewhat the same. Configuration menu is a little bit different. Adjustment tab has few extra features to tweak.
If I remember correctly, it didn't play
ac3 before. I can watch
pbs channels on amc3 and pbs
hd with sound using just twinhan's sowtfare.
http://www.twinhan.com/download_driver&software.asp