So I have a bit of a special case.
I've got a hybrid router where I get about 9mbps download speed from my DSL connection (ADSL to be precise) and 36mbps from my LTE connection.
I'm paying for 50mbps (down) but that's the maximum I can get at my current home, so I'm not mad about it.
Price is of course a bit higher than a comparable VDSL or cable connection. I'm paying 40 a month. No cap.