With some reluctance, motivated by my grandfathered low cost 80GB of Google storage, Google's support for multiple identities , and my longterm use of multi-identity Google Apps, I've switched from using Dropbox to using Google Drive. Sadly some access points block the Dropbox domain, but not web access to Google Docs. (It's hard to block google.com)
Unfortunately Google Driver is crashing on startup on my Mac. If I start manually it seems to work well enough.
I checked Common errors in Google Drive and followed the advice to reinstall. Sure enough, it told me I had a dated version of the app -- the auto-update hasn't been working. The usual copy/replace didn't work either - even after I quit the app. I had to restart, disable sync of Google Doc items, let it run through a full sync check, then quit.
I wonder if this is related to having two-factor verification enabled on my Google account -- contrary to James Fallows I run into many issues with this. I also suspect there are issues with using multiple Google identities on Chrome vs. the single identity assigned to a Google Drive.
I've reenabled sync of Google Docs, now with offline viewing as well. I'll update with a report on how it works.
 Everyone needs at least 3 Net identities: Corporate/Business, Personal, and Tribal. Each must be separated from the other -- though in the Surveillance Economy separation is always contingent.