Lack of great players is the concern. Until that changes I can't get too excited about anything. I admire the fans who somehow maintain the same interest level year after year. I guess I was spoiled as a kid when Warfield, Csonka, Griese, Stanfill, Anderson, etc. were givens, and so many others of identical caliber or very close.
Overall the roster is deeper with fewer holes. But there's nothing more fragile or irrelevant than parity. That's all we've managed, to get the lower levels of our roster closer in caliber to the top teams. Until our top guys match the stars on the elite teams there's simply not much there.
I don't mean to be cruel about it but I've sat through those oddsmaker meeting countless times and looked at all the related probability charts. Nobody cares about depth or mediocrity. The odds simply don't move in your favor if you strengthen the midsection. That's the point I've tried to make on golf forums for years, to considerable opposition. One Rory McIlroy is worth more to an era than dozens of additional third tier types. The single most meaningful variable in any team or individual sport is the number of freak entrants -- if any -- at a given point in time. Slowly it's gained acceptance on those forums. Until the Dolphins find a stable of Pro Bowl and Hall of Fame types the upside is severely limited.