I just checked local planning applications and not even a mention of a cabinet around here, looks like BT have no plans what so ever to upgrade my cabinet. Looks like i am stuck with this crappy slow internet for a long time yet...
At this moment in time there really isn't a need for more than 80/20. Your not allowed to host and stuff to make profit anyway on a residential connection.
The same infrastructure is used for Business Infinity and also for other ISPs that do allow commercial usage.
Game server on a home connection with like 20 hops?
Seedbox on home connection are you crazy? 20Mbit wouldn't make much of a seedbox.