HP promises 4GB of DDR3 RAM, 802.11a/g/n Wi-Fi, Beats Audio, and up to eight hours of battery life for each laptop (or nine hours on the 15.6-inch models), and while the base $699.99 Sleekbook ...

HP's summer newcomers will include a high-end Ultrabook, a low-cost Envy, an ultrathin Sleekbook, and a business EliteBook.