Asus has announced the details on its designer U series notebooks that are more like the Apple MacBook Air. The 12-inch U20A and 13.3-inch UX30 are all based on Intel’s Consumer Ultra Low Voltage (CULV), ranging from the entry 1.2GHz Celeron M in the U20A to the 1.3GHz Pentium, 1.4GHz Core 2 Solo in the UX30. All models support 802.11n Wi-Fi, Bluetooth, LED-backlit screen, up to 500GB HDD, and up to 4GB of RAM. The U20A and UX30 use Intel’s GMA 4500 graphics. The thinnest model is the UX30 that measures 0.9-inch thick and weights at only 3.5 pounds (without a DVD burner).