I went to the local Batteries Plus and they wanted $195 for the PC310 that I ended up buying online from
Apex Battery for $145. Of course the Batteries Plus guy didn't have it in stock but could get it for me. I just don't see why I need to pay the local guy $50 to have him do the same thing I can do for free.
On the bright side I did successfully negotiate with the local Honda dealer for the timing belt job on my car, which was totally unexpected. It never hurts to ask.