Is there a compelling reason to upgrade Leopard to Snow Leopard->Lion ->Mountain Lion, such as security updates that would be missed otherwise?
If upgrading Leopard to the current OS is desirable from a security standpoint, would I need to buy Snow Leopard, and Lion in addition to Mountain Lion?
If upgrading Leopard to the current OS is desirable from a security standpoint, would I need to buy Snow Leopard, and Lion in addition to Mountain Lion?