I would highly recommend the Tanabe Sustec Pro SS coilovers. That's what I'm running & I also opted out for the front pillow mounts. With the front pillow mounts you get a little more noise, kind of a swoosh sound from the gas in the front struts, it actually sounds pretty sweet. Plus they're lighter than the stock suspension, so you'll be shaving off some weight
The main reason that I went with Tanabe is 'cuz I've got a Tanabe theme going