Aftermarket Stereo.
This is the snake pit of wires and the adapter

I used crimp connectors and electrical taped the shizz out of them.

This is the finished product. I bought it specifically cause you can change the color of the unit, so I could match the gauges and DIC in the car.
It's on sale for $169+tax at Electronic Express.
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Another thing is you get functions not previously present- aux input, bluetooth, etc. The only real limit here for outfitting your car with things GM didn't see fit for a 35k car is the size of your wallet. They had some really nice navi units when I went yesterday, but I can live without navi for 700 bucks. A good thing about getting a navi unit though, they make adapters that include functionality to display directions on your HUD just like the factory one would (if you have a HUD
), if the navi you buy supports it. And, I was -finally- able to hook up my 12" JL Audio w3 the RIGHT way instead of doing line level 
I have no idea why yours is more. Crutchfield shows mine for 99 bucks, Electronic Express gave it to me for 89. Maybe you should try ebay?


