Microsoft has finally launched Windows 8 Consumer Preview to the public. You are no more limited to the Developers Preview. If you are curious to try Windows 8 then here is the link where you can download.
How to Download and Prepare Windows 8 Disc
1. Download ISO Image file of either windows 8, 64 bit of 32 bit version
2. Burn the downloaded ISO file to a DVD, using tools like Free ISO Burner or Windows Disc Image Burner
3. You can also download Windows 8 Consumer Preview Setup, which includes tools that allow you to create a DVD or USB flash drive from an ISO file (For Window Vista and Windows 7 only)
4. Once your Disc is ready, you can Install Windows 8 Consumer Preview in your PC
Here is an official demo you would like to see