I have the 970 in sli and I reach 3.9 Vram in shadow of mordor. I never get the stuttering that some users are reporting. I think people getting the stuttering were having other issues and most people that were complaining didn't have issues in the first place but just complained because of the opportunity.
970s are worth it.
Same here and I agree 100%. My 970s consistently go above 3.5 without issue