Do one exotic color man. Pearl would be sweet but its expensive. Do something no one has done. Be unique
If it were my car I'd paint mine a pearl black. Check this out http://220.127.116.11/default.asp?referrer=importtuner
You can make custom colors. It doesnt have a celica, but you get the idea.
If you want for sure a two tone, check out the game "need for speed underground 2 and check out all exotic/full body vinyls. The full body vinyls on the game are basically different paint schemes you can apply to your car. That would give you a few unique ideas