Surface RT vs Surface 2

Hi friends,

I see that Best Buy is going to be offering the original Surface RT for $199 on Black Friday. That's really tempting. I'd love to hear the experiences of those who had the original RT and have since upgraded to the new Surface 2. Is the upgrade worth the extra money? I'm fine without the Pro versions, and I'm also scoping out the new tablets coming out--but I'm especially curious about Surface RT vs Surface 2.