Lets share my experience installing Ubuntu 10.10 Maverick Meerkat RC. Soon Sabily Al Quds will be base from it. There are very nice interface from Ubuntu team. Very brilliant programmer and designer. Everybody should now change to Ubuntu (soon Sabily) with no hesitate. Its now very easy and fast to install with a little step to follow and use it like other operating system.
If you decide to install it after download their official release on Oct 10, just follow this step that I try on my Virtualbox inside Sabily Manarat,
01. To install, choose Install Ubuntu.
Enjoy using Ubuntu...
Download for Desktop i386
If you want to buy Ubuntu Live CD/DVD, you can buy it online from OSDisc. They sent it worldwide.