Hi Simondat,
I still have my same address. That is the main reason that I chose to use yahoo, I will always have that address and I can go to anyone's computer and type in My Yahoo and up comes a link to Yahoo, type in ME and up I come, anywhere any time. Drop me your new address in an email.
I have used a round port A12 head on on an A14 with some reasonable results. A Dremel tool and some sanding bits for it work wonders on a head, they sand to a pretty smooth surface. Porting isn't too hard to do but it does take time. I do it watching movies at night time mostly. Scribe the outine from the intake/exhaust gasket and keep on sanding the ports until they are eroded out to the size of the scribe marks. Don't just do it out at the gasket surface, sand on down into the ports as far as the hump for the valves. The larger you can get the ports, the more good. You don't want places to get larger in one place and smaller in another, keep the ports straight and even and all of them the same. Do it to the intake and exhaust manifolds also. Porting makes things happen a little better than not porting and it is pretty much free if you do it yourself.
Compression makes things happen a lot more good also. Milling the head can get you some good cheap power. Octane has to be matched for the compression that you are using and there are alternate ways to alter octane. Octane is one thing, high powered fuel is another. A larger exhaust system is manditory, at least 2 1/2 inch.
Cams have their power bands and RPM restrictions and a wild street cam can make a lot of grins beside a Civic. A stock cam can be made to do wonders in itself with a bit of help. Longer rocker arms do the same thing as a higher lift cam. Valve lash is extremely important.
Weight has major to do with it also. Get the lightest tires and find the lightest wheels available. Chrome wheels are nice but minimum magnesium wheels are like putting in aluminum flywheels, they reduce rotating weight making it rev faster. A rotating weight and sprung weight diet will work wonders in itself and make it handle that much better too. Weight or lack of it, is what makes the 1200 the machine of choice.
So, it isn't just porting the heads or putting on headers that gets a 1200 running like a scalded dog, it is the accumulation of the things that you do to it. When you have the parts in hand, let me know and I'll help as much as I can. I will be on here as often as I can until at least the end of the year.

Mareo