Dynasty position rankings are done, although there will be plenty of adjusting.
DL seems relatively easy to rank, although the bottom half can fluctuate quite a bit.
LB seems to have bigger tiers this year than in the past, especially the gigantic LB3/4 tiers. I could probably pick 25-30 LBs as a LB 3 and not be wrong.
DB is an exercise in futility to rank once you get past the top 15 or so. This is nothing new. They are virtually impossible to rank in both redraft and dynasty. There could be a DB ranked in the top 20-25 by one of us and not ranked by another and both rankers could be right. Again, it is like this every year.
If anything seems questionable, feel free to comment.
NOTE: There will be significant changes once free agency hits. Right now it is somewhat of a guessing game, so all rankings by all of us should be taken with a grain of salt. There are just too many things that can happen that can and will cause drastic changes in the rankings.