I am currently with solo deal 1 month contract.
£20 a month on the website.
just phoned up they offered me it for £9.79 a month, i said I was with three paying £7.50 a month and he said I could have it for £7.79 a month.
There was no effort at all in getting it at this price.
Dongle also includes share dock which means you can use it with upto 5 computers at once.