Lenovo's been keeping itself busy in the battle of the ultrabooks, and now its 13-inch IdeaPad U300s is up for preorder. Unfortunately, since our review, the price tag looks to have been burdened by an extra $200 -- and that includes a special "web price" discount. With the likes of the MacBook Air and ASUS' Zenbook UX31 jostling for your skinny laptop affections at lower entry-level prices, that extra chunk of change
