I'm looking for a good brand of rechargeable batteries for use with an SB800 on a D300 for weddings/events. I using Energizer Lithium e2 now and love them. I get a ton of flashes and fast recycle times, but the price is killing me. $9.50 + for a four pack.I'm also using the Nikon battery pack with the Sb800, so that's 11 batteries per flash unit. So I'm looking for something with the same or close to the power and cycle times I'm getting from the Energizers with a reasonable recharge time. Also needs to have a charger unit that holds a lot, more the better since I'm using a lot of batteries at a time. Thanks for any ideas.