I definitely see a MAJOR traffic change, however, this time I doubt it's "Zombie" related. This looks like another update has hit and this one has hit us hard. Traffic is down since Friday and conversions are non existent. I'm hoping it's temporary, but all the serp changes since early summer have so far stuck. At any one time there are about 4 or 5 people on the site, that is down from the usual 15-20 visitors.
Image heavy blog posts seem to be the going fad.