http://entwife-incognito.tumblr.com/image/63553252457

Look there! It's a spoiler from The Great Red Dragon. I think we can be pretty sure Reede Smith is not Red John, because of this and of serveral other reasons. 

Cheers. 

If I have to pick between Bertram and McAllister I pick Bertram, he had the most charactar development and Jane knew him, they hadn't just met in a one-time-encounter.