I've been to Krystal Clear Aquatics several times lately and have nothing but good things to say about this store. Very helpful people, good prices, great selection of fish/corals/food/dry goods, and healthy livestock.
In talking with the owner, he said they occasionally get a chance to buy items in bulk and they're more than happy to pass on the savings to customers. I recently picked up a flame angel at prices usually only seen at mail order houses - but without the expensive shipping and box fees.
Make sure you join their email list so you get notified of the sales. Take a trip there, it's worth the ride.