For some among us, the VAIO E series is the pinnacle of modern mobile computing design. Then there are other, saner individuals, who prefer the understated aesthetics of what are commonly termed business laptops. For that latter group, we have a whole glut of new Toshiba notebooks to look at, highlighted by the delectable looking Portege M780 above. Much in the vein of HP’s 2730p, it’s a 12.1-inch convertible tablet PC, with a spill-resistant keyboard and rugged features (tested to withstand drops from up to 1 meter), but its biggest attraction will still likely be