Called CS again and apparently the expected delivery of the 3G/Wifi models has not materialised and they cannot give me a firm delivery date.
Changed delivery option back to Super Saver as I am away for a week soon, and don't want the blessed thing either siting in my local postal depot or being sent back to Amazon in my absence.
Desperately close to throwing my dummy out of the pram and having a stamping my feet type tantrum because I want to play oh so much with mine.