I've had Ford batts, then went to autozone batts, now I have Die Hard Platinum batts they are the only ones i've found that can stand up to what I do and they have awesome CCA. You can get them from Sears which is handy because they have stores everywhere in case you need replacement.

DieHard Automotive Battery, Platinum P-1 - Group Size 34 - Model P-1 at Sears.com