Matthew wrote:

Oystercard card vending machines have been installed at several
stations (I have seen them at Liverpool Street and Euston). They are
cash only and sell an oystercard for £3 that then needs credit loading
at a ticket machine.

Superb, about time.

Do you know if you can also cash them in for a refund of the 3 quid? I
hope so. If so I don't think it would be unreasonable to do away with
paper singles and returns completely.

Neil