Well I just got one of these emails. I keep my downloads after 9pm onwards aswell and I rarely download anything before this time. I rarely hit stm. I think we did it twice in the last 3 months.
There also give a new link the email
http://virginmedia.com/peaktimefaq
So there are now three management pages:
normal stm:
http://help.virginmedia.com/system/s...MER_TYPE=Cable
decremental usage:
http://help.virginmedia.com/system/s...al%20use%20FAQ
peak time use (12-12midnight) (new one):
http://virginmedia.com/peaktimefaq