So your laptop is getting old: Should you buy a new one or change horses and try out one of these tablet computers?
That all depends on what you want to do with it.
It's still the case that laptops and smaller netbook computers are tuned for production — word processing, e-mailing, number-crunching, more complicated tasks that often require a lot of text and switching among several windows running different applications.
Tablets, lacking a mouse or a keyboard, are better for tasks that have simpler tactile and visual elements — like paging through a photo gallery, checking online news or blogs, or reading a digital magazine. In other words, they work better for consumption, and thus can stay on for quite a few hours on one charge.
For social media addicts, tablets will be excellent for browsing through Facebook for the latest photos or links that friends have posted, or checking out Twitter to see what the digital hive mind is buzzing about at that moment.