I have really good news for anyone who is considering doing this. They are GREAT! I have had no problems with them and I still LOVE them. They clean up really well with any kitchen cleaning spray. I haven't noticed any stains at all. (To be fair, though, they are painted in a way that wouldn't show most small stains.) The only small issue I have is one edge that takes a beating is getting worn down. I periodically touch it up with a paint pen and clear fingernail polish and no one would ever know. If I were to do it all over again, I would have made sure those edges were covered really well with the clear finish.
Several companies now have counter painting kits that you can buy. I think the thing I like best about mine are the shiny finish. I'm not certain that those kits will give you that finish.
I would highly recommend taking this on if you are a DIYer and you want to save major $ on a countertops! GOOD LUCK!!!