We have to confess–Acer’s latest all-in-one PC certainly looks a lot like another of its machines announced back in April. But we suppose there are enough differences here to warrant a slightly new model name and a marketing approach aimed at business users. The company’s Veriton Z280G is its second Veriton in the past week, though this one actually includes an LCD with the innards that make a PC tick. The AIO machine boasts an 18.5″ widescreen display, an Intel Atom ultra-low-voltage CPU, a fanless design,