A few pointers:
* Go straight to the top, never wast time on QA, find the big boss man and email or TELEPHONE him / her instead. The higher up you go the more chance you have of getting things fixed.
* Be reasonable in your argument. Do not mention the 360 or drivel on about being a fan. Do mention that you are a long time customer who has been happy with the product until now.
* Mention the concept of fair use for any consumer electronic (the more expensive it is, the more a product manufactorer has a liability to ensure that the product last it's life cycle') most country has similiar laws to this effect even if its generally not enforced.
Cross you fingers.