Payment Method Decision Matrix
(This is NA-centric, your mileage may vary)
1: Do you live outside of Japan, the US, the UK, and the Eurozone? (i.e. are you Canadian/Australian/Swedish/etc. ?)
YES: ClickandBuy's currency conversion rates suck, go to Question 4.
NO: Go to Question 2.
2: Do you want to have the exact amount you owe automatically billed to your credit/debit card?
YES: Set up a ClickandBuy account.
NO: Go to Question 3.
3: Are you morally opposed to setting up a ClickandBuy account?
YES: Go to Question 4.
NO: Go back to Question 2 and save yourself some hassle.
4: You will be using PlaySpan. Do you currently have a PayPal account?
YES: Use PayPal via PlaySpan
NO: Go to Question 5.
5: Are you morally opposed to setting up a PayPal account?
YES: Go to Statement 6.
NO: Go back to Question 3 and think harder about it this time.
6: Buy "Ultimate Game Card" prepaid cards at a local store.
EDIT: Disregard Question 1, as per latest from the community reps.