On Jan 6, 1:06*am, sweek wrote:
I went to Turnpike Lane today, and it all worked just fine. The guy
knew what I was talking about and put the cap on my existing Oyster
card.
I did have to fill in the registration form again, even though it was
an already registered card.

Back on topic - got mine done at Northfields today; took less than a
minute after confirming that my Oyster was already registered.
~cj