Which of these 2 products is the better one to use? I should add that as soon as the weather eases up and allows me to, I will be using Mckee's 360 and top it with McKee's Hi Def Sealant, and then using either of these as part of my maintenance routine. The Optimum appealed to me based on a post done by Mike a while back about the Optimium having true UV protection in it, and also out of curiosity to try the Optimum product. Anyone with experience with these?