I haven’t put up a post on the Deepsonic synth site since 2006. Swissdoc wrote in to let me know there have a been a number of updates. Indeed there have. They now have an RSS feed (I just subbed), and very recent updates including the following:

05.03.2010 Update :Roland Juno-106 mp3s:
04.03.2010 NEW! :Sony DTC-ZE700:
02.03.2010 NEW! :Quasimidi Sirius:
27.02.2010 Update :Matrix-6R Fat Sawth:
25.02.2010 Update :Clavia Nord Modular Expansion:

Quelle: matrixsynth.blogspot.com