Stabie,
I got b stock 2900 from Dakmart a month ago. I have not had any problems. All the features work as advertized. I havn't tried DVD audio but SACD sounds as good as Sony XA777es (which was moved to my 2 channel system) with my home theater speakers. Video looks better then Phillips Q50 it replaced.
I am hoping that b-stock already had one thing repaired and thus will be good for a long time. Price is certainly more attractive. I am happy with it so far. You wouldn't be able to tell it's b-stock if I did not inform you.
I am using ICBM with multi-channel playback. I have not had too much time to play with all the extras, yet. Hope this helps.
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threers