Microsoft has apparently heard the complaints of XBox 360 owners who are tired of their consoles overheating, and are finally doing something about it. In some countries, anyway. If your console overheats, you can send it to Microsoft, and they will improve the cooling internals for you, at least in France and The Czech Republic.
We're not entirely sure whether or not you will be able to get your box modded here in the States anytime soon, but it should give you good comfort to know that your friends worldwide are able to solve the problem...so at least a solution exists, and that's something.
Engadget.com: Microsoft beefs up Xbox 360 cooling -- freaking finally