anyone have any info/opinions on this battery?went to my local sears looking for an optima yellowtop..they are out & wont sell them anymore i was offered the new Diehard Platinum battery. it has 880cca & 130min reserve its priced @ $170. its not a deep cycle batt...i mainly drive while listening to music & they audio system is pushing abt 700watts....anyone have any info/opinions on this battery? gotta use my sears card