Upper 70's is nothing for a graphics card. Upper 90's on the other hand...
Also, have you seen the new bigadv #2685. Right now the 980 is pushing 26:49 tpf for a ppd of 44178. So throw in the 470 at 13892, and daily ppd is at 58,070. Need to turn on my 920 and 930 rigs and it's over 100k ppd.