When you're number two, you've always got a humble eye and a gun pointed at number one. Just look at Apple and those "Get a Mac" ads. Now in true Pepsi-challenge fashion, ASUS is trying to convince consumers that its Eee PC 1000He is vastly superior to Acer -- the number one seller of netbooks -- and its Aspire One D150. On the surface, the two laptops appear to be identical in that they share the same N280 processor, 10-inch display, and 1GB of DDR2 memory. Of cour