Mildred Update - Mrs A reports 3 full bars for her last few days commuting - that is 3 trips of over 100 MPG average each if the OBD is credible.
I still can't get it to "go" without it beeping at me for something or other. Mrs A finds this funny as she can't work anything technical in our house - video, internet, nothing. I have to say that Mrs A is treating us to much more smooth driving in Mildred - no super starts or sudden braking - I think she gets it.
George Update - it will be end of next week for this tank I think which will be 400 miles or so. The MPG on this one won't be great as I haven't hypermiled much at all to get a baseline and it includes the second half of my motorway trip to England. The SG2 reports ~55 AVG to work (which us uphill and would take effort to get Helga to anything 50+) and ~64MPG home (which is downhill and would be ~60MPG in Helga). These are with no effort to HM at all, idling at lights and so on.
The next fillups will reveal the truth.