Are there any reports of Logitech replacing defective UE900 sets with UE900s?

I currently have the Dunu DN-1000 and find them too sibilant. Reading through the massive IEM comparison thread I noticed the Brainwavz B2/Fischer DBA-02. Can anyone comment on how sibilant these are? In particular if someone can compare to the DN-1000 that would be great.

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Ok, this might seem like an odd comparison, but I'm curious if anyone has tested both of these headphones.   My impression from reading reviews is that the Sony MDR-MA900 is one of the best and most well-rounded headsets available at the $200-$250 price point. However, I have noticed sales...

I never got the chance to try out the G930, but I got a PLYR 1 based on the Head Fi summer buying guide. The sound is fantastic, just make sure you can output audio over optical to the base. The USB is only for charging/mic. But the sound is amazing.

In terms of sound quality, and its handling of surround sound in games. How well does the virtual surround sound of the Z work with headphones?

So... just wondering since I don't have the time to read 63 pages...   What's the general opinion on the Sound Blaster Z? Better than the Titanium HD? It sure is cheaper.

I just had the opportunity to do a quick comparison between the wireless Turtle Beach PX5 and Skullcandy PLYR 1 headsets. These are both gaming-oriented headsets. The PX5 is being phased out at this point but runs at $200-$250 new, while the PLYR 1 is newly released and goes for $180.   Design...

I am thinking of buying the Skullcandy PLYR 1 headset, primarily for gaming on my PC: http://www.skullcandy.com/plyr-1   This headset supports a digital optical input using a Toslink cable. It also supports decoding 7.1 Dolby Digital.   I also have a 2.1 speaker system that connects...