I've had a passel of 700's and 70's over the last decade. None of them were older production; the oldest was a 700 of early '90's vintage.
All were excellent. Literally zero issues.
On the Model 70's, one was a "Classic Featherweight" - that being a CRF model made in the last 15 years, but before the FN takeover.
It was one of the best rifles I've owned. It was finicky about powder choice, but once I figured that out, it shot under .75 consistently.
Handle a couple of each model under your consideration, and buy the one you like best with confidence. Keep in mind, that quality firearms in popular configurations lose little value when sold used. If you really regret your choice, onto the EE it goes.
As to your choice of chambering, you will not find a more capable or versatile hunting cartridge than the 30-06. Others are different in the same way that beautiful blondes with brown, blue or green eyes are different.