So I decided to join the fray and worry about cooling later. Just concluded some testing:
2 machines @ 24h net: 0.14743461 (before the increase) default single pool
2 machines @ 24h net: 0.12959452 (before/after increase) multi-pool
All calculators were spot on in their calculations. Ton of junk in the multi-pool amounting to not that much and spotty server issues.
So what pool(s) are recommended for these things?