Full blog/articleSections 15 and 16, "Reassign to Another Device," and "Transfer to a Third Party," are new. You can go read the exact terms for yourself. The short version is that you may "reassign the license to another device one time" or "make a one time transfer of the software, and this agreement, directly to a third party."
http://blogs.zdnet.com/Bott/?p=156
This really really sux....I've lost count of how many times I've upgraded my PC. I am wondering what they count as one hardware device. If I keep the same case, but upgrade the guts I would count that as the same device.