AsusTek Computer Inc. unveiled a sleek tablet computer on Friday, after the Taiwanese firm saw the sales of its once popular line of mini-laptops stall following the launch of Apple’s hit iPad, the Associated Press reports. AsusTek says the EEE Pad Transformer, which runs on the Android 3.0 operating system, distinguishes itself with an optional keyboard that is superior to docking options for other tablets because of its light weight and flexibility…