I've had a Red Top in my car for three years with no problems (it came with it, and I only drive the car in the summer, so maybe not the best anecdotal evidence).
I decided on a Yellow Top for the Jeep, even with all the bad press, because of how good the Red Top was. So far no issues, although I'm wondering how it's going to stand up over the winter, as the Jeep isn't as perky when starting now that it's getting colder.