[matt]

http://www.3dongle4free.co.uk/

it costs 5 quid postage, but its a steal for that

you have to top up 10 quid a month though, but people are talking about getting them unlocked to use other networks

[J~C~S]

Yuo can get a dongle for £5 a month (1GB) if you have a 'three' contract already