By Ian Bush

By Technology Editor Ian Bush

PHILADELPHIA (CBS) – It’s the PC’s answer to Apple’s Macbook Air, the ultrabook, designed to be lighter and thinner than traditional laptops. But sales have been slim as well.

READ MORE: GUIDE: Where To Watch Fourth Of July Fireworks In Philadelphia Region

Despite an advertising blitz by Intel, “Suddenly, everything else seems old-fashioned;” ultrabooks haven’t exactly been flying off the shelves.

The research firm IHS iSuppli says a little more than 10 million of them are expected to ship this year, with most coming after Microsoft launches Windows 8 later this month.

READ MORE: Hundreds Gather In Haddonfield For First Major Rollout Of Fourth Of July Fireworks Since Pandemic

PC makers want these devices to appeal to people in the market for a tablet; ultrabooks are nearly as quick to boot up and have long battery life.

But consumers haven’t liked the $1000 plus price tag. Analysts say ultrabooks need to sink to around $600 and add touch screens to take full advantage of the new Windows.

MORE NEWS: Wheeler, Hoskins, Realmuto Lift Phillies Over Cardinals 4-0