This all-in-one computer is a total let-down.
The Bios apparently is not upgradable, and most of the drivers on the Lenovo website are outdated, this means that you have to use some third-party application to have all the drivers updated.
For some reason, I can't get the bluetooth working, not a big deal on a desktop computer, I know, but still annoying.
You'll have THREE (count'em) audio devices: Realtek, Nvidia and Lenovo itself for the microphone near the webcam.
The result is a constant audio lagging for any application, it doesn't matter if you try to disable something or if you remove the driver because it will install again at the next reboot.
The audio quality itself is not outstanding at all, resulting no "hefty" and the performance overall is mediocre.
Video card is an NVIDIA GeForce GT650M, never tried with new games, so I can't really tell anything about it.
I read positive reviews about these all-in-one, but this will be my first and last experience with Lenovo.