I found a link to the stereo and amp I used. Actually, I think this is a newer version of the stereo.
There's no reason you can't install it yourself. With all the work you have already done, this will be easy. It's way easier to install than the Vintage Air.
http://www.crutchfield.com/p_500KTP4....html?tp=35782
http://www.crutchfield.com/p_500UTE5...T.html?tp=5684
That stereo also has hands free for your phone. I bought the little microphone that plugs in the back and ran it up the door pillar and mounted it by the visor. It works ok at slow speeds, but people say they can't hear me when I use it on the freeway. I think it's more an issue with the truck being too loud, than a problem with the stereo. It might work better if I mounted the microphone somewhere else.
I will have to look at the amp I used for the sub. I think it's similar to this one. I probably wouldn't have used a sub if a friend hadn't given me one, but it really took the sound of the stereo system to a different level. They also make some pretty cool powered subs that you could fit under the seat. You could save some cost and room going that route.
http://www.crutchfield.com/p_206DXA5....html?tp=35834
Powered sub:
http://www.crutchfield.com/p_113KSCS...11.html?tp=114