http://www.kjaerhusaudio.com/

go browse over at:

http://

http://www.sonicspot.com

i was unnsucsessful finding mac or any free plugins

Google is your friend:

http://www.ienproject.com/gleetchplug/
(Dead Link Removed)
http://www.nomadfactory.com/products/free_bundle/index.html
http://www.macmusic.org/softs/softcat.php/lang/EN/id/7037/plug/RTAS (has some free, some demos, some for pay, just poke around)

That should get you going.

http://www.digitalfishphones.com

Take a look here they have a listing of all available OSX plugs

http://

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