There seems to be a difference between the available Store Credit of yours with the site currency you had picked previously. Would you like to:
Final Fantasy XIV Currency USD $5.48
DayZ Accounts USD $19.99
Brain FM Accounts USD $6.2
Persona 3 Reload Accounts USD $55.69
UNCHARTED: Legacy of Thieves Collection Accounts USD $4.59
Microsoft Office Boosting USD $9.99
IP TV P2P Accounts USD $2.52