Toshiba just unveiled a new budget Ultrabook and this one is sub-$1,000. It’s called the Satellite U845t. Due in March, it’s a 14-inch, touch-enabled, has a 1,366 x 768 screen and it will be available for $800. It weighs four pounds and is 0.8 inch thin. More specs, it has a Core i3 or Core i5 processor with up to 6GB...