well i say ... i already did it m8, and it will be online every very very soon
http://www.soundlabz.com/
i finished the programming part of the site, and now i am working on few details on the design part of it.
the concept is very simple and basic: when someone makes a sound, he uplaods it and make it available for others! not complicated at all
+ a little tutorials area!
just register, upload and download patches/soundsets!