These sold very recently for $1,500 (Akebono)
http://my350z.com/forum/brakes/540348-akebonos-2.html
There is also some Rotora's $2,850
http://my350z.com/forum/brakes/540848-r ... clean.html
Some Stoptech for $1,400
http://my350z.com/forum/brakes/543481-b ... otors.html
There's even Wilwood as well, so there's a lot of options and bargains to be had!!
Here's a direct link to the brakes section http://my350z.com/forum/brakes-411/