IBM Corp will launch two new Thinkpad laptops within the next couple of weeks according to documents seen by Computerworld: the paper says the new ThinkPad 720 and 720C machines will be based on the current Model 700s with faster 25/50MHz 486SLC2 processors, 160Mb hard disks and management facilities that bump battery life up to 7.75 hours on the monochrome and 4.8 hours on the colour version; the new machines also have improved peripheral supprt, with space for either two PCMCIA type 2 cards or a single type 3; a new sub-notebook computer is also ready, but will not be announced until the summer.