My parents are out in the sticks had to suffer 1.5/2down and 0.5up for years. are now getting their payback as they have gigaclear FTTP, on the lowest tier, and that's 100down/100up with no issues for the last few of years. they could go gig up/gig down, but they "don't see the need" to pay for it.
they've certainly not had any snotty letters on downloads; as i think i've been dumping about 2TB a month (when i remember to kick off an offsite backup), onto a server i've got stashed at their house, and they've not noticed anything making their netflix/iplayer stuff glitch.
I've been running on Plusnet with my own static IP (£5 one off charge), 80/20 speed, and they've not complained either about the 2TB a month upload from my house.
while Virgin offer drool worthy speed. i'm skeptical about contention ratios if that's even a thing with cable, "unlimited" limits, and historically their upload speeds have always been pants.