I know, I know... I usually don't shop there but it's close by and I just had to run and get some paper towels and some dish soap. Didn't feel like running to Target (which is about 3x as far). I felt the need to check the oil aisle and hey - pretty good deal.
I cleaned out their stock of 15w50. I think I'm set for oil changes on the M.B. and my wife's car for about the next three or four years.
Go get 'em. Given the stuff usually runs $7 or $8 a quart, this is a pretty good deal.