http://newyork.timeout.com/restaurants-bars/restaurants/6328...
Internet connection is valued too highly, though - Clear 4G gives you ""unlimited"" ""nationwide"" mobile internet for $45/month (and occasionally you can get the wifi hotspot in exchange for a contract). I put unlimited and nationwide in quotes because I don't know how true that really is, but if you are in NYC it works reasonably well. You are likely to spend more than $2 extra per day (==$45/month) extra in coffee/food working at Starbucks or Argo Tea or Think Coffee.
Personally, I find I can't do work at a starbucks because of all the auditory and visual noise - YMMV.
(Also, if you actually have any sort of income, you can expense the mobile internet connection, whereas you usually can't expense the coffee).
And...upon evaluating, they found that Starbucks has chairs ergonomically adjusted to discourage long use