Virgin.net are obviously still having difficulties:
"You may currently be experiencing broadband service degradation.
Virgin.net have taken a number of steps to improve their broadband service at present:
Virgin.net has temporarily stopped accepting new Virgin.net Broadband customers.
Virgin.net have contacted a proportion of their broadband customers and requested that they reduce their usage to a maximum of 1gigabyte per day and 5 gigabytes per week. (This is enough to surf approximately 40,000 Internet pages and collect approximately 10,000 emails each day).
Virgin.net's first obligation is to our existing broadband customers and these two measures should ensure a significant improvement in broadband service performance.
Please bear with us whilst these measures take effect"
Plus there are service issues with their 24Seven dial-up service as well....
Meanwhile they appear to be doing very little to stem the flow of spam plaguing their customers.
Under-resourced and lacking technical competence?