I have a 2010 MBP that i just wiped the harddrive on. It used to have Lion, even though it was shipped with Snow Leopard - as i remember there was a free upgrade to Lion. When i reinstall from the DVD it installs Snow Leopard and i have no idea how to get Lion on it again. I tried to option click the "purchase" tab in app store but it does not show Lion. Anyone knows what to do? Thanks.