I did the upgrade and it beeps through the digital out now! There are no major adverse effects as far as I can tell. The volume control works as does the EQ (at least in 2 x 10 mode). Analog out still functions with beeps too. Only problem may be that scrolling through options hangs sometimes, but maybe that is a problem with 2.0 b11? Good work guys (Hugo and Trevor)!!! If I come across any other bugs I will post them.

Stu
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If you want it to break, buy Sony!