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.