Thank you very much, file permissions were indeed the issue. It's searching again. Apparently today is a much better day then yesterday! Thanks everybody for all your help!
(I sent this earlier, but I am behind a firewall or something that does weird things to my e-mails)

Marty

--- On Tue, 10/26/10, Bernardo Gonzalez Kriegel <bgkriegel@gmail.com> wrote:


    From: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
    Subject: Re: [Koha] No search results again...
    To: "Marty" <ontariowolf64@yahoo.com>
    Received: Tuesday, October 26, 2010, 9:07 AM

    Marty,

    I think that Chris is right and there is a problem with file permissions.
    Look my last email, and look also on syslog.

    Bernardo