TWC, at least in my area, has "Business Class" service. (I have the "Teleworker" service.) It's significantly more expensive, but you get a static IP, quick and non-idiotic tech support, and no ridiculous usage limits. (I'm sure they have a no-spam provision and so forth.)

I don't like TWC at all, but I've had basically zero problems with TWCBC. Occasionally I even realize my speeds have been upgraded without any cost increase.