Hiking in Cordillera Blanca Peru.Anyone?

Hi There,I am Victor 34 y/m, at the moment i am in Western Australia for 3 more months,then i Flight to Chile.My idea is to go hiking and maybe climb one of the 6000 ts mountain in cordillera Blanca in Peru around May 2012,if there is anyone interested . please contact me.
p.s I am open for any suggestion and ideas.Cheers