Interesting result: Zite works properly again.
Using the default DNS (which in my case appears to be located in Changsha), Zite, a magazine-like program that aggregates news according to topics, would normally crap out after loading three topics worth of headings. Also, it'd usually not load the snap shot pics that went with the entries. Using OpenDNS, the seven topic sections I have set up load promptly and with pics.
And presently a direct download of a 198Mb zip file (I would ordinarily use a download manager) is chugging along nicely.
I'd rather not jinx it, but this OpenDNS seems to be a good idea.