This paint is a high quality paint that experts claim has superior durability. Users say it is easy to work with and is guaranteed for 25 years. If you live in a harsh climate you may still need to apply two coats. It is a premium paint so expect to pay a higher price.
Sherwin Williams is a very high quality paint. It not only comes in an unlimited number of colors it makes even ugly walls look better. It seems to adhere and form a base coat and top coat in minimal application. It tends to cost more but you will save money by not as much product and primer.
Using a stores upper brand costs more but usually has a thicker paint to it. This will provide better coverage and a better look. Many times they are better to clean too. They do run sales which is a big deal with this paint cause it's very expensive. Call and ask when it's on sale and save a lot.
Sherwin Williams brand is a very good paint. It will cover spots with one coat that cheaper paint will not cover so well. It will last longer than the lesser costly paints too. I painted with Sherwin Williams paint two years ago in my kitchen and it still looks like newly painted walls.