yeah, they work very well. They're designed as a direct replacement for those problematic factory screens. People often report them being brighter, more responsive, and much more reliable than the original.
you know, the bells and whistles usually refer to the fact that they're essentially a modern tablet integrated into your dash. This means you can often get features like Bluetooth audio streaming, GPS/mapping apps, and other modern apps that the old MTC screen could never dream of. This is a huge plus for usability