There are a lot of other OVH users that are having the same problem with ftp speeds so it isn't Virgin Media's fault (for a change). Here is a link to the OVH forum where other users are complaining about slow ftp speeds.
http://forum.ovh.co.uk/showthread.php?t=902
Thank god it wasn't application management, hopefully it will be fixed soon and things go back to normal. :-)