Asus comes back with three new members of its designer U series laptop that looks like the Apple MacBook Air. The 12-inch U20A, 13.3-inch UX30 and 15.6-inch UX50V 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 and 1.6GHz Core 2 Duo in the UX30 and UX50V. The thinnest model is the UX30 that measures 0.9-inch thick and weights at only 3.5 pounds (without a DVD burner). All models feature 802.11n Wi-Fi, Bluetooth and LED-backlit screen, up to 500GB HDD, and up to 4GB of RAM. The U20A and UX30 use Intel’s GMA 4500 graphics, meanwhile the UX50V has a dedicated GeForce G 105M with 512MB of video memory.