Yes....less lift will allow 2.02 valves. Roller rockers are nice. I have an extra set of 1.6 Cranes if you're interested. PM me. The RPM manifold is great for all around use....keep it! I don't know how much the AFR heads are, but I've never been convinced that they were the best by any means...(no offense guys, but everyone has his opinion). For the budget you're wanting to keep I'd look into the GT40 heads that another member here mentioned....I believe he said they were on sale for $850 at Hawaii Racing. You won't beat that for HP versus $$! Sure you might see another 10-20 HP from better heads, but at what additional cost?...and you're on a budget remember? Buy what will give you the most for your money and an extra $300-$500 for 10-20HP is not a good deal. A hundred dollar set of headers will give you a more than that..and better mileage too!lol
Consider your budget...make a list of cost Vs HP and work from that. Also remember that most items will give you the best HP when combined with other items of equal performance and operating bandwidth. Don't use huge valve heads with a low rise manifold. Don't use a Victor manifold with a torque cam....You get the idea.....Keep things balanced and within your budget.
Good luck!
