All the 8:1 purchases seem over kill to me. There will be miles of line around. My boat (similar size) has 4:1 on the traveler and 6:1 on the mainsheet (Midboom). They are not difficult to trim at all. My Vang is 4:1 as well.
The cunningham, outhaul and main halyard should probably be reversed or lines will cross at the mast base.
The mainsheet will be a pain. It should run farther aft where you can reach it from the helm.
There is a tide in the affairs of men,
Which, taken at the flood, leads on to fortune;
Omitted, all the voyage of their life
Is bound in shallows and in miseries.
Shakespeare, Julius Caesar IV, iii, 217