If the 2 rookies (Dobson/Boyce) can work out well with Brady, then, this offense would be hard to stop, even more so than the past 3 seasons and more importantly, the playoffs, because it can attack all parts of the football field.
So many weapons, you got Dobson and Boyce on the outside, Amendola in the slot, Gronkowski stretching the seam, Hernandez being lined up everywhere to create mismatches and Vereen catching passes from the backfield.
Not to mention Jones, Edelman and Ballard for depth.
But the most important things are health and how fast the new guys (Amendola, Dobson, Boyce) can get acclimated with Brady.
I agree with your general thoughts for sure.
One thing to keep in mind is that Amendola already has experience in the JMcD offensive system, so that's a huge plus right there.
At the moment our WRs consist of Amendola, Dobson, Jones, Edelman, Boyce, and Jenkins. We could also see some of Holmes in TC/preseason to potentially give a push to the others (maybe), and I'd have to guess that we'll still be bringing in at least one more WR who is a casualty from TC/roster cuts too. Keep in mind that we all had countless conversations that were absolutely pointless about Belichick's initial group of WRs in the spring, with all of the "Gonzalez, Ocho, Gaffney, and Stallworth will SURELY make the 53 man roster" talk....I expect the WRs that are here now to show us a better glimpse towards the real roster due to the draft picks this year as opposed to last year, but I also wouldn't pencil all of these guys into their slots. There will almost definitely be some additional player(s) brought in for competition, and anything can happen to improve the situation from now until the end of August.
If we're just talking about the position of WR alone, I honestly have no reason to believe that it shouldn't be an upgrade from last season's corps of Welker......and the other bums of Edelman (21 catches), and Branch (16 catches).
The key obviously will be trying to either replace or spread around the production lost from Brandon Llyod, as Welker has been swapped for Amendola and should be able to put up 3/4 of his production in my opinion.
As you point out, once we get to the "real" first and second receivers of Hernandez and Gronkowski, along with Vereen and L.Washington contributing in the flat passes/RB screen game, the offensive situation looks much more promising...but I honestly don't feel nearly the concern about just the WR position alone as I did pre-draft, and I expected it to look much better at the end of April.