I just got windows ultimate and am trying to do a fresh install. I boot from my CD / DVD drive, it loads the files and the windows logo pops up. After that, a bluish background pops up and I can see my mouse. After this, nothing happens.
Hrmmm... Apparently all I needed was some patience... Does this normally take a long time inbetween steps?
I noticed on the only fresh install I've done so far (for a friend), that it took a long time to get the first screen up once it loaded the mouse as well. I'm not sure why, but like you I just waited it out and eventually, it came up.
I'll let you know how my install later tonight, or tomorrow goes, as I'm working on a new build.