No problems with mine, my friends and my parents accounts.
Obviously its the "forum effect" whereby those with problems post on forums, but those whom don't have any problems are not heard from. Giving a large bias to what could be a small percentage of people.
Not that this isn't awful for those affected.
80/20 (2/jun/14) at 470m - Sync highest was 61/8 now 54/6
20 years of broadband from 1999's ntl:cable modem trial - Live BQM