How about these, they look like they will fit in the rear corner of my cab and they are inexpensive. I was thinking about doing the 6 X 9 now and later adding a amp and a mono sub........see what you guys think....
6 x 9 with enclosures I think they will fit in my 66 gmc :
http://www.hifisoundconnection.com/S...9804/SFV/30046
Later a subwoofer:
http://www.hifisoundconnection.com/S...9162/SFV/30046
That seem like a pretty low priced system to me: I am going with a retrosound classic radio $199.00 will use this to drive the 2 6x9s, later use the back channels to drive the subwoorer
$199.00
62.95
77.95
20.00 shipping total about $380.00 plus maybe a mono amp $100.00
pretty inexpensive system.........don't you think.......