The Eagles roster is loaded - their only problem is Hurts. When they find a guy who can manage his limitations, they go places. When they get a Patullo type, Hurts just faceplants.
Washington's roster crumbled last season. They basically built a squad of Jayden Daniels and the cast from Cocoon, hoping a bunch of vets would be able to push an NFC Championship team over the finish line. Didn't work. Daniels has Lamar Jackson-esque, MVP level potential. But we don't know if he will be able to maximize it, and they don't have the roster to truly contend even if he does.
New York will be better because they can't be worse. They get a pass as one of these "old guard", "managed the right way" type of teams, but their track record for the past 15 years is as bad as the Raiders or Browns. Their GMs and coaches have just been trash.
John Harbaugh is the kind of "CEO" org-builder that the Giants need to return to respectability, but it'll take at least a season. And I don't think Harbaugh is the long-term answer either, because was too conservative to ever put a loaded team over the top. He would let studs walk every season to pocket comp picks, while having a 13 win roster and peak Lamar. The Ravens' window was open, and he never went all-in and took it.
As far as Dallas, we have our usual unbalanced roster, with an elite offense and an awful defense. The defense will improve by default - you can't get worse than 32nd - and that could be enough to contend if the offense keeps clicking at a top 5 level. More than likely, the offense and defense both revert back towards the mean, and we end up with another .500 type season.