#11 - Jan. 6, 2010, 6:28 p.m.
Provided that your debit card is affiliated with one of the supported companies (Visa, MasterCard, Discover, and American Express), Uuhnun, then it should work perfectly fine as a subscription option.
If you experience any difficulties, please feel free to contact our Billing department or Bank of America directly. Here's a bit more information:
http://us.blizzard.com/support/article.xml?locale=en_US&articleId=20504