So after a bit of searching around on the internet it seems to get it working with 7.2Mbs you need a firmware update. Which can be found here:
Then if you use the Novatel Dialer instead of the Vodafone supplied one which doesn't let you setup new APN's. The Novatel Dialer can be found here:
Then it dials up onto XT fine (after you setup a new APN).
Now going to do the same with my Huawei E800, will post the results of that.