[sukuriant]

Microsoft says:

   Surface Pro:
   10.81 x 6.81 x 0.53in
   2lbs

   Surface RT:
   10.81 x 6.77 x 0.37in
   1.5lbs

http://www.microsoft.com/Surface/en-US/surface-with-windows-... and

http://www.microsoft.com/Surface/en-US/surface-with-windows-...

[sliverstorm]

Perfect. So it is, in fact, 43% thicker. Still pretty thin, but nice to know my eyes were not deceiving me.