Both of Toshiba's players got the firmware update (the HD-A1 and the HD-XA1). I think that the HD-A2 and HD-XA2 will also support it, although the HD-A2 won't have a multichannel analog output. I'll leave it to the folks who have some TrueHD material and an HD-DVD player to say how it sounds, but from what I've heard it's certainly nice. Personally, I'm waiting for the format war to shake out a bit more and for a couple generations of hardware to come and go before I dip my toe in the HD optical disc waters.