The Surface Pro and RT replaced my work laptops. I use the Pro for everything, other than serious DB work, since I deal with TB's at a time.
Have you tried the new office 2013? You can save and open files on Skydrive with one click. It's magic! All my professional data is on the clouds now! It's awesome!
I had that with Google Drive, but people here in Brazil see that as a 'domestic' solution. When you say you use Microsoft professional (ha ha) cloud storage, they look at you like "well, well, mister fancy pants"...
. . . because of that book from Amazon, which was not available in ePUB format.