I was very impressed. I am looking forward to seeing how it continues. If there is a way to improve supply I have no doubt they could go even faster.
As a side note; The side effects to the Oxford jab was less than ideal. Bad chills (on an already very cold day) and a cracking headache. Feel much better now but I wasn't expecting it to be so bad! I had had COVID before, although it was mild, and I've heard this can make the reaction a bit worse than normal. So maybe that was why.
There are vaccine centres in London (certainly the one I attended) having to close early because a lot of people in group 1-4 are refusing to take up their appointments. I believe that so they can make use of their supply they've had to transition to lower groups a lot sooner than planned.