Pack:
http://rapidshare.com/files/78763861/eng.rar

A.2000:
http://clicgratis.blogspot.com/2007/09/autocad-2000-portable.html

A2008:
http://clicgratis.blogspot.com/2007/09/autocad-2008-portable.html

Surfer 8:
http://clicgratis.blogspot.com/2007/12/golden-software-sufer-8-pedido.html