If it's fairly common problems (I would count your MBR problem as that), I think they should get a FAQ section at the end.
> Is this intended for a new audience or people with experience?
I think the audience should be all Ubuntu users. Using USB sticks instead of CD-ROMs will be very common for ordinary users. In fact, I personally think this document should be linked right from the download page, and should be fool-proof enough for that.
If it's fairly common problems (I would count your MBR problem as that), I think they should get a FAQ section at the end.
> Is this intended for a new audience or people with experience?
I think the audience should be all Ubuntu users. Using USB sticks instead of CD-ROMs will be very common for ordinary users. In fact, I personally think this document should be linked right from the download page, and should be fool-proof enough for that.