Possibly Gold-Line or Tanabe. They give close to a 2" drop.
The Eibach Sportlines would be more what your looking for than the Gold-Lines. But out of those, I would go with the Tanabe, which is what I was I wanted, until I realized coilovers would probably be better for me.
CelicaHobby.com is an independent Toyota Celica enthusiast website. CelicaHobby.com is not sponsored by or affiliated with Toyota Motor Sales, USA, Inc. in any way. The Toyota and Celica names and logos are trademarks owned by Toyota Motor Sales, USA, Inc.