If a number of listings from major US retailers are to be believed, then yes. GameStop, Amazon, and Best Buy all have Modern Warfare 2 listed at the PC-unfriendly price of $60.
Only Walmart's still asking $50 for Activision Blizzard's next cash cow. But no one ever tells Walmart anything. It's not cool.
We've sent an email over to Activision to confirm this expensive turn of events.