The sources.list is wrong, i'm sure apt would complain if you used it normally like that, I suggest you add "main" to the end of line 3
(Sorry maintainer if you feel I'm steping on your shoes, just noticed that bug when looking around) -- N Jones Blogging @ http://nigelj.blogspot.com Proud Debian & FOSS User Debian Maintainer of: html2ps & ipkungfu
