Three Mobile Broadband
http://www.three.co.uk/personal/prod...and_/index.omp

Three's network is advertised at up to 2.8Mbps, which they consider to be a 'real world' expectation of their otherwise standard 3.6Mbps HSDPA network. Out of bundle data costs 10p/MB, equivalent to £102.40/GB. Coverage details here: http://www.three.co.uk/personal/help...age_/index.omp

18 Month Contract
1GB Broadband Lite £10/month
Modems free, stick £49.99
3GB Broadband Plus £15/month
Modems free, stick £29.99
7GB Broadband Max £25/month
All modems free
*Half price for existing contract customers*

Pay as you Go
Modem £69.99
Data costs the same, 30 days validity


Vodafone 3G Broadband
http://shop.vodafone.co.uk/index.cfm...d-BuyMobBrdbnd

Vodafone already have 7.2Mbps in some locations, though the stick is required as it supports this higher speed. Other locations provide up to 1.8Mbps. Out of bundle data costs £15/GB. Low latency (that's a good thing). Coverage details here: http://online.vodafone.co.uk/dispatc...ageID=PPP_0026

18 Month Contract
3GB Mobile Broadband £15/month
Modem £59, stick £79
5GB Mobile Broadband £25/month
Modem £19, stick £39

30-day Contract
3GB Mobile Broadband £20/month
Modem £99


T-Mobile Web'n'walk
http://www.t-mobile.co.uk/shop/mobile-broadband/

T-Mobile provides up to 3.6Mbps with no fixed limits, instead having a Fair Use Policy. In theory you should not face automatic charges if you go over your limit. No 18 month contracts listed on the website at this time. Coverage details here: http://www.t-mobile.co.uk/services/c.../street-check/

12 Month Contract
Web'n'walk Plus 3GB £29/month
Modem free, stick £19.99
Web'n'walk Max 10GB £44/month
Modem free, stick £19.99


O2
I've seen details on their website before, but if they're there now then they're well hidden. O2 have the smallest 3G network of any UK operator, to the best of my knowledge, and as they're not promoting 3G Broadband at the moment I think it's safe to assume they don't really want your custom anyway. O2 are concentrating on their fixed line broadband offerings.


Orange
Again, I've seen details on the Orange website before, but they're well hidden now considering Three, T-Mobile and Vodafone all had details on the homepage. Like O2, Orange have a fixed line broadband provider and they're concentrating on that instead. Not that the celeb gossip on the homepage would give you any indication of that.