Unlimited for now but they've hinted they could cap them later.

If I was them, I'd offer uncapped Internet, but prioritize based on past bandwidth usage if there is congestion.

So if you use a lot of bandwidth, you still get full speed at night, but during peak times, other users get priority and your connection becomes slower.

Bonus points if they only take bandwidth usage during peaks into account, incentivizing customers to move bulk transfers to off-peak hours when the traffic is effectively free.