I put platform pedals on my commuter bike so I could switch easily between shoes and the lightweight hiking boots I use in the winter. As a confirmed user of Speedplay Frogs I was surprised at how much I enjoyed using the platform pedals. I'm going to ride the Blue Ridge in June, and I plan on bringing the Frogs, but if I wanted to be in a particular kind of non-clip shoe, or was going to be on and off the bike a lot, I would consider using the platforms.
But only you can determine what is best for you.
Speedo