Originally Posted by SkiAdcock
I'd like to be able to top up from the US, which I couldn't do previously.
I registered mine online (to US address) and top it up before I ex-US. The Oyster card has def made my trips to London easier. No more standing in line for the next agent at Gloucester Road, worrying that I will be late for my flight, just because I didn't have coins for the machines there.