It's been more than a year since Acer first launched its Aspire Ethos line of laptops -- a family that got a bit bigger today, with the announcement of the 8951G and 5951G. These rambunctious little extroverts are powered by the latest generation of Intel's Core i processors, offering Turbo Boost speeds of up to 3.4GHz. Big bro 8951G boasts a 18.4-inch display that transmits images in Full HD, 1920 x 1080 resolution and 220-nit brightness, while spunky little 5951G struts around with a 15.6-inch HD 1366 x 768 screen of its own. Th