Originally Posted by Flux
Check Sonicelectronix for amps and speakers.
I'll 3rd that---both are great sources for aftermarket radios or whatever we're calling them these days.
The E-Series choices for in-dash mounting is a bit limited but doable, sometimes with very minor surgery for a good fit.
Crutchfield has great customer service both on returns/exchanges if needed---I've never been disappointed with a transaction with them.