1. Ubuntu 12.04
Asus Eee PC X101CH
Everything works: suspend, fn keys, volume, brightness, wifi... Netbook doesn't overheat, nor is loud. Battery lenght depends, can get up to 4 hours.
Available: Intel proprietary drivers, after updating Ubuntu & installing them, resolution can be changed.
2. Ubuntu 12.04
Everything works: suspend, fn keys, volume, brightness, wifi, usb3, ... Laptop not overheating, fans not lout. Battery gets up to 5 hours, depending on what you're doing.
No proprietary Intel drivers available so far. Resolution can be changed nevertheless. Unity 3D works.
If installing 64bit system on UEFI laptop, but without Windows, read help.ubuntu.com/community/UEFI.
Protip: fn + enter on the keypad brings up calculator