Folks are increasingly drawn to the sleek, compact all-in-one systems sold by Apple, HP and others, according to DisplaySearch. Recent data from the firm shows that all-in-one computers pple holds a majority of the market, which isn't a surprise considering the iMac's popularity. HP trails in a distant second, while Acer, MSI, Sony, Lenovo, Dell, Fujitsu, NEC, Asus and others are all on the map with shares from largest to smallest in order of mention.