Pams Arrangements is a cute little shop that is good for a quick flower need. I am not sure I would use them for large events however. I recently had to occassion to need several dozen carnations and she insisted we pay in full with cash before the delivery because she did not have the funds to cover it.
I have seen her flowers- and they are nice, the prices are very very reasonable also- if not downright cheap compared to others. I would use Pams if you need 1 or 2 flower bouquets, or arrangements. Anything more I am not sure - I might look further.