The best Tablets are the most portable and effective way to Web access, being much lighter and smaller than netbooks but with much larger screens than smart phones. Screen sizes are of best value at around 10 inches; a great display size to work with, without weighing more than 1.5 lb.Tablets today provide high performance and use operating systems specifically made for touch-screens, the most popular among them being Apple’s iOS and Android and are 3G enabled to facilitate Web access through a mobile SIM card.