6.5" Component Set

[MMast]

I was wondering if anyone could give me advice on a 6.5" component set under $100 preferably around 65w-75w rms. It would be going in a 2000 Honda Civic Coupe that currently has a pair of clarion 6x9 coaxs rated at 75w rms that are currently being powered off of the headunit. I am looking to get an amp in the near future not sure, but I'm not sure if I should get a 4 channel amp and power the coax's off of the amp or just get a 2 channel amp to power the components and continue using the headunit to power the 6x9's.

Thanks.

[MMast]

anyone?