Its funny,because no matter the doubts people will eventually end up upgrading to windows 8. That has been the trend from the past. Unless you are planning to shift to a different OS all together, i say you have no option. And yes i'll upgrade when the time comes
Yes, Its worth to download in the Your personal computer, Windows 8 is really very nice OS and its functionality is so amazing. I'm also downloaded it. So you can also download and enjoy with new windows 8.