Fussy about boot times, carry-weight or weak battery life? Then you probably gave Lenovo's IdeaPad U310 a wide berth. The thing is, aside from those flaws, it was otherwise a very solid Ultrabook for those whose wallets couldn't stretch to a premium model. We want to know, did you buy one? If so, what did you think of it, and let's imagine you were dreaming up a budget Ultrabook -- what would you change?