css creating tool

are there any good programs to do that? especially with a preview section.

(there was a such tool in VisualStudio.NET, but of course i dont want to install it for css!)

Check this out:
http://www.klproductions.com/klstylelive/stylelive.html

Here are a few (http://www.webattack.com/freeware/webpublish/fwstyle.shtml) apps you might want to check out.