A wallet friendly option, in Ultrabook terms at least, Sony’s 1.5kg VAIO T13 boasts an Intel Core i3-2367M cpu, Intel HM77 motherboard chipset, 4Gb of DDR3 RAM, a 500Gb hard drive, plus a Memory Stick and SD card reader for the snap happy among you. It rocks Windows 7 home premium and has a battery life of roughly 7.5 hours.