Tell them it's a home office and get comcast business. There's no data caps on any of the tiers and they allow use of any modem on their approved list.
There is also "gigabit pro"/"gigabit x10" where they run fiber to your house. That is $350/month for symmetric 10gbps. Lots of limitations on availability and a big install fee, though. Gotta get the other half on board with that ;-)
You don't need to plan for media consumption anymore. It's there when you need it. Want to play 100GB XBox game? No problem, it's here in <15 mins.
I’m not the first one to say this, but often it seems that faster Internet speeds have enabled completely new use-cases and applications that sometimes weren’t even obvious until a critical mass of people had the faster speeds.