[Coupe Devil]

I have a 306 with mildly ported E7 heads. .030 forged stock top pistons and a factory cam. I plan on running this one season like it is. Nest winter I want to change heads, intake, and cam. I am thinking about the Victor style intake or and Air gap. I was also thinking about using the f cam or maybe a little bigger custom grind unit. I want to know what heads you would use. I have an extra set of stock E7's just sittin. I know I cna make them flow better that a gt-40. Keep in mind this is all on a budget. I was thinking mill the heads .030, bigger valves (not sure how big I can go yet), new double springs (probably crane) and 1.7 roller rockers. I can get the work done Extremely cheap. All I would have to buy is the rockers, springs and new valves.
What do you guys think. Better of this way or buying a set of USED aftermarket aluminums? Also which would be better, if aluminum, Trick Flow or AFR'S?

Thanks
Brad