The bottom line? If money is a factor, or if you are planning to use the tablet to augment rather than replace your Windows PC, a Windows RT tablet makes sense. If you are looking at a Windows tablet as a replacement for a desktop or laptop PC to become your primary computing device, you need to look at the broader picture.
The vast majority of the tasks people perform on a traditional PC can be accomplished from a pure tablet. If all you need to do is email, surf the Web, post on social networks, or perform basic content creation and management, then a Windows RT (or an iPad or Android tablet) will work just fine.
But, if you need to run traditional Windows software, or need your tablet to be able to connect to a Windows network domain, you'll need to invest in the more robust Windows 8 Pro tablets.
(Additional reporting by TechHive's Melissa J. Perenson)