http://www.ps3news.com/PlayStation-3/lighter-ps3-slim-cech-2100a-is-revealed-by-a-japanese-retailer/
The new model is 200g lighter than the previous PS3 Slim (3Kg vs. 3.2Kg). What exactly was changed isn't known at this time. Presumably this somehow reduces manufacturing costs.
"Well certainly with the Xbox 360, we had some challenges at the launch. Once we identified that we took control of it. We wanted to do it right by our customers. Our customers are very important to us." -Larry "Major Nelson" Hryb (10/2013). Note: RRoD was fixed with the Jasper-revision 3 years after the launch of 360
"People don't pay attention to a lot of the details."-Yusuf Mehdi explaining why Xbone DRM scheme would succeed
"Fortunately we have a product for people who aren't able to get some form of connectivity; it's called Xbox 360,”-Don Mattrick
"The region locking of the 3DS wasn't done for profits on games"-MDMAlliance
