Of course, nobody knows whether or not this is still the plan. For one thing, we did not get Episode VII in 2004. The whole interview is interesting, but Episode VII talk begins at 3:06.
This is the third part of a longer interview with George R.R. Marin. You can either watch the whole thing, or skip to the 30 minute mark of this video to hear an excerpt from the next book of "A Song of Ice and Fire."