We'll they're just starting up, but luckily Hotcakes Commerce is pretty quick and easy to setup and customize :) 
   We have been reviewing a couple of different companies that provide address-level lookups:   
 [list][*]
http://www.zip-tax.com/  [*]
https://taxcloud.net/  [*]
https://www.taxjar.com/[/list]    If anyone is aware of other services, that would be great too. For the moment we'll have to stick with ZIP-based tax while we find another solution.