The uniforms will eventually be tweaked, and then change. That's sports. As for the logo, I think it's here to stay for quite some time. Sports are a business, and part of a business is establishing brand identity. The Patriots finally have brand identity. People see this:
and they now think of excellence. I wouldn't be surprised to see the uniforms tweaked after the current era is over, but a complete re-branding would be a shocker. Also, it's very rare for a team to go back to an old identity- especially one with a losing tradition.
Personally, I love the current logo. I would like to see the old unis once or twice a season as a throwback, but only because I like the concept of throwback jerseys. If that isn't possible, I'd like a red alternate jersey, and I'll go ahead and throw up a concept I've posted a couple of times before for this idea, a blend of the past and present:
I'm also currently working to make something of a futures concept based on the initial 1993 debut of the blue unis. I really loved that style