Fast and safe 1

Given Sony's woes with the pirates, I always avoided putting my bank details on the playstation network.
The code is issued immediately after payment, and on the same page is sent in addition to your email address.
It is also very convenient to have cards for such small amounts, I was missing a little less than 5 euros to make a purchase, it saved me from having to take a card from 20 or 50 euros.