First off, caber is sort of an old-school approach. Manage your E2 with an AI properly, and caber shouldn't be used.
Why don't you just run approximately the same dose you ran in your first cycle? There's no reason that shouldn't work for your 2nd as well, ESPECIALLY since you said you had issues the first time around. You don't have to raise the dose every cycle, and honestly, I think it's a bad idea to so early. Drop the test back to 500. The switch from EQ to NPP is fine, and so is that dose. I really think it would be a mistake to add MORE test when you haven't even run a truly successful cycle yet, as far as the mental game goes. 750 will affect you mentally more than 500 did.