This line should get better..It's very young and learning a new system.Compitition would help..We are in good position to find a gem.
Wr./TE. can also be adressed in free agency..Sign a couple good vets
Build your primary guys offensively through the draft. I'm not opposed to kick starting the rebuilding process of that unit with 1 veteran guy, (Jennings, even Wallace), but I'm not building it through Free Agency.
You're right that the line should improve. Pouncey and Martin will progress, and you'd hope Long has a better season (if he's here) in 2013. But Incognito and Jerry should be replaced.
Shore up the line in FA, I'm not opposed to adding 1 WR, get depth at safety and LB and then build through the draft. Miami's first few picks should consist strictly of DE, WR, TE, CB, and probably in that order given where the value is in the draft. I'd flip if they invested in any other spot, honestly.