I filled-up my wife's car today at the local Costco and paid $3.879 for regular, a significant drop from just a couple of weeks ago. There are still some name-brand stations with regular selling as high as $4.179, but that's still down 18 cents or so from pump prices of just a week ago.
I'll fill-up my car tomorrow at the Costco near the office so we'll see what the price is there (it's generally a few cents less than closer to home).

OCU