We used Gravitex for the texture...and liked it very much. Then we painted that. I think any of the suggestions already presented in this thread can yield very good results. It comes down, like most things, to who is holding the gun.
Here's the specific post from our thread:
http://67-72chevytrucks.com/vboard/s...&postcount=573
There's more top stuff in the thread if you're interested...link in my signature.