While keeping the overdesigned aesthetic of their IdeaCentre brandmates, the new A700 and B305 (above) all-in-ones from Lenovo are moving things forward with optional touchscreens and freshened up spec sheets. The A700 offers the full range of Intel's Core 2010 laptop CPUs, but tops things off with the slightly older 45nm Core i7-820QM, which gives you four cores operating at a somewhat pedestrian 1.73GHz default speed that can be cranked up to 3.06GHz when cir