Yes. Drones and long-range weapons delivery (either high energy or SCRAM-driven missiles). Fighter jets? Might as well call out the buggy whips and horse drawn carriages.
Obligatory A-10 shoutout: We still need something that can provide air-to-ground support to ground troops with a long dwell time, but high-speed cruise to fast deployment (shamelessly stolen from The Avengers: http://www.impdb.org/images/a/ae/Avengers2012CGI_2.jpg).
Of course, designing the same airframe to replace both the Harrier and the F-16 is a ridiculous notion and the F-35 suffers for it.
Frankly, for the type of wars we're likely to fight in the foreseeable future, the most common mission would call for something like a cheap prop-driven plane with a ton of ordnance hardpoints. Take the flight surfaces off, stuff 3-4 of them into a C-17 and fly them to the theater of operations, go to work.
But the aviator community would hate it.
The role you're describing is currently filled - very well, I might add, by the A-10. It can fly low and slow (has a stall speed of right around 140mph), it's heavily armored and can carry massive amounts of armament. Not to mention an enormous gun that can decimate pretty much anything in its path.
They're slated for retirement soon, though. Long term, I think this role will eventually be filled by drones.
I was expecting someone to jump in with the dog-fight argument against using low & slow aircraft. Unlike in Vietnam, today's missiles are reliable and effective, so even a prop plane can engage and defeat a jet at extended ranges... as long as positive hostile ID can be made early enough.