Acer has updated its Timeline notebook series, dubbed TimelineX, which comes with Intel's Sandy Bridge family of CPUs. The beasts are available in three sizes, 13.3-inch, 14-inch and 15.6-inch and they are about an inch thick. Each one has Acer's PowerSmart Technology that can provide battery life of up to nine hours on models with integrated graphics and up to eight hours for models with discrete graphics. The TimelineX come with High-Definition audio support with Dolby Home Theater v4 Audio as well as HDMI 1080p output. They also have a USB 3.0 port for fast transfers. Plus, the port can charge USB devices even when the notebook is turned off. They use either Nvidia GeForce GT 540M/520M with Optimus technology or built-in Intel HD Graphics. They will start at about $600.