McCown at QB does not signify a good team. They've got some talent on that roster, I think they'll even be better than the Colts if Manning misses a substantial amount of time, but I don't see them as a playoff team. The QB situation is a mess.
I like the Lions, too, but I also think they're greatly flawed. Their secondary is awful, the running back situation is up in the air after the rookie from Illinois went down, and Matthew Stafford hasn't proven he can play a full season and produce like a good QB. I think they go 7-9 or 8-8 and build towards next year.
The Bucs have a very tough schedule this year, and had a really easy schedule last year upon going 10-6, and I see them taking a step back, especially with their youth. They kind of remind me of the 2010 Reds. They're banking on all of their young players improving internally, but couple that with a tougher schedule, and I don't think that's likely.
Your Super Bowl pick I actually agree with, but I have GB winning it again
. I think they went through so many injuries and adversity last year, that in a weird way their luck can only get BETTER this year. Sounds crazy to say about a championship team, but I think it's true.