Have you a link to a webpage saying what HUD is please?

not exactly the definition of what im talking about, but im talking about where
the info i need, such as CPU heat, Time, etc. are displayed transparently over
what you are doingit gets the point across though.......

http://en.wikipedia.org/wiki/HUD_(video_gaming)

Try conky
www.ubuntugeek.com/conky-a-light-weight-system-monitor-for-ubuntu-linux-s\
ystems.html