you may have got me there; i was under the impression that the das was a buckling spring, but googling reveals that it isnt. But how does it compare for noise?
<EDIT> Ah, according to Ars "How loud is this product? Very loud". So for my situation (quiet open plan offices usually), probably no good.
http://arstechnica.com/gadgets/2010/02/office-warfare-our-mo...