The four new ZenPhone 3 handsets range from $199 to $799, while the latest ZenBook 3 notebook starts at $1,099. NEW YORK—Asus had something for just about every technology enthusiast at its Zenvolution event here on Aug. 5, including four new ZenFone 3 smartphones, a new ZenBook 3 premium notebook, two new Transformer 3 tablets, a new ZenWatch 3 and...