Don't let the door hit you on the way out, Microsoft Points. An Xbox 360 update rolling out today will finally convert all prices and accounts' points to local currency, ending years of cruelly unnecessary arithmetic for digital purchasers everywhere.
Current Microsoft Points will be converted to an equal or greater value of their local currency--including points earned through Xbox Live Rewards. That's generally 80 points to a dollar, if the rate wasn't already ingrained in your subconscious.
All existing Microsoft Point Cards and codes will be accepted "until further notice" for their equivalent local value, though their points will expire a year after being redeemed post-transition.
Consult Microsoft's comprehensive FAQ if you have any more questions. And don't be alarmed if you don't see the update right away, as they can take a while to populate across regions.