Thanks for the feedback, answers below.
1. scb style stud mount rockers w/guideplates. not pedistal
2. see 1
3. i do like this idea, and plan on doing it.
4. Currently we use a IC9977 which is a 23CC dish. at approx .007 in the hole. So we'll be fine, but valid point on someone wanting to use them with flat tops. I'll have to look closer at the limitations of something like the 61775 Edelbrocks. or the trickflows.