Surface with Windows RT is not a computer. It is mobile computing device, like an iPad. It is a tablet, a hybrid device that bridges the gap between real PCs and media tablets, where you can work and play.
… But any excitement Microsoft generated around this launch will be squandered when people realize they just bought something that looks like Windows 8 but comes with even fewer apps than Windows Phone. That’s not a recipe for success, it’s a recipe for disaster. And I’m tired of cleaning up the mess
A nice Microsoft Surface RT vs Pro spec comparison is available here.