software for rainy nights?

Hi Folks,
I did a search on the forum here and maybe I'm missing it but...
I'm looking for the software that'll be a substitute for my telescope on rainy nights.
Of course, I'd like it to become an aide for my real observing sessions.
I'll have a system with dvd capacity if that makes a difference on what is available.

Sanders

I received Starry Night Backyard as a gift some time ago. I really like the interface and it has some nice images of celestial objects, but its database is pretty much limited to stars, Messier objects and planets. The higher end versions of the software would probably be better.

It's got some pretty handy features that make it a lot more useful for novices and simplify operation without making it useless to more advanced amateurs. I've tried some of the free stuff off the 'net and I consistently go back to using Starry Night

If you got the bucks, check this one out:

http://www.desktopuniverse.com/