Versions :

ArcSAS-2.0.2.universial.10.6.20110825.pkg 
	-- for MacOS 10.6(Snow Leopard),10.7(Lion)....... "x86,x86_64"

ArcSAS-2.0.2.universial.10.5.20110825.pkg 
	-- for MacOS 10.4(Tiger),10.5(Leopard)...... "x86"