Win 8 will be officially released on Oct 26th, five days ahead of Halloween on Oct 31st. Coincidence or not, it is a great news. $39.99 upgrade fee is very affordable and they will use the Windows 8 Upgrade Assistant to make the whole upgrade process as easy as ABC.
The guide of how to use this Windows 8 Upgrade Assistant is already published on their blog at http://bit.ly/QzkMjZ
and do not forget to browse the comments below as well, you may find the answers there to the questions you want to ask.
BTW, we are ready for the Win 8 release too, check those Win 8 compatible products we currently have here: http://www.leawo.com/promotion/windows-8.html