good OCR tools under debian?

I have never needed to do Optical Character Recognition (turning scanned documents back into text form), but it appears i may soon need to (in english, FWIW).

Does anyone have a preferred tool/suite that is packaged for debian?

A scan of the archive turns up

none of which i've ever used, and some of which seem stale (clara's version number is 20031214-2. Suggestions? Things to avoid? Have i missed something important?