...that KDVI can also load compressed DVI-files?

...that you can mark text with the right mouse button and paste it into any application?

...that KDVI now supports inverse search? You can click into your DVI file with the middle mouse button and your editor opens, loads the TeX file, and jumps to the proper line! The manual explains how to set up your editor for this.

...that KDVI supports forward search? If you use Emacs or XEmacs, you can jump directly from the TeX file to the associated place in the DVI file. The manual explains how to set up your editor for this.

...that KDVI now offers full text search?

...that KDVI can save your DVI file as PostScript, PDF, and even plain text?