After HP dropped its TouchSmart 2, myriad manufacturers jumped on the all-in-one touchscreen bandwagon -- and Asus has a new 27-inch beaut riding shotgun. Unveiled at CeBIT last week and dubbed the Asus All-in-One ET2700, this prototype machine comes with ten-finger multitouch, 178-degree vertical and horizontal viewing angles, SonicMaster audio, and some decidedly Apple-inspired
