The only one of those I can answer with certaintly is:
4: You will move plenty of air with a 60. My 2 main guitars are 60, 43, 33, 19, 15, 11: They move plenty of air.
Theres a very good chance you'll have to drill the machine head, too. Less so with the 60, but some still need it (my Dean took it fine but the schaller lockings on my legra didnt: Bob was kind enough to sort it before I got my hands on it).
heh, what a legend!!! a .70 on the low E is SERIOUSLY chunky. bet you move some air with that guitar .
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