People get hung up on the claw extractor. I had a push feed in 375 H&H that was a real tack driver. I wouldn't hesitate to buy another one.
the claw extractor isnt there for
accuracy
i like push-feed Remingtons (in fact the Remmy bolt on the right is from one i just bought yesterday. the other is a Ruger bolt), and i have yet to have one fail to extract on me, but theres just something comforting about the claw extractors.
aside from the highly unlikely scenarios like
'what if you are being charged by an enraged rhino and rolling on your back trying to reload?' 
that CRF nuts always bring up, IMO CRF has a couple more realistic advantages that are rarely mentioned:
-if you accidentally double-stroke a CRF and the first round doesnt completely chamber, itll simply eject the first cartridge and chamber the second. if you are under stress and do this accidentally with a push feed, you are
#%@$ed.
-if you are miles away from anyone up in the bush with only basic tools, which would you rather rely on? the massive non-rotating Mauser type claw extractor or the little tab extractor of a push feed?
one failure to extract and your rifle is just a poor excuse for a club.
as for the model 70s, i dont think people are saying the non-Classics are 'crap' but more of a case of
'if im going to spend the money on a model 70, i may as well buy one of the 'Classic' or pre-64 models'.