Thank you one and all for your thoughts and suggestions. I have a little more confidence that I will make the proper choice now.
Myk, there is a local shop that will put one together, but is that really a reliable option? I know nothing about it but I see that there are quite a few on here that build their own, so I suppose that it does not require a factory. I'll check it out.
Last time I bought too much power and never really used it, so I will scale it back. I am prone to such things, I did build a 674 hp Miata after all......