The closest you can get is the Seamonkey browser, which forked off the old Mozilla Application Suite that Netscape 6/7 was based on. The last version of Netscape 9 was just a rebranded Firefox 2.x.

A lot of isps are rolling out gigabit and even faster internet. Finally having a killer app for it will increase demand for it and shame slower isps to upgrade their old coaxial and copper cables with fiber.