Well, all hell broke loose.
First of all, gallery decided not to let me in with my admin login nor reset any passwords, so by logging in with a test I account and hacking that account with mysql to make it an admin I finally captured control of my gallery. I then re-edited all details for the admin account
So having got galler upgraded, then wordpress upgraded, and finally the wp-g2 plugin, I was left with my theme looking a bit wrong, as all the gallery specific stuff needs re-writing…
I plan to sort that all out soon, but will have to wait untl I have some more time.