Here is a link to the Conyers' Committee Status Report, titled
Preserving Democracy: What Went Wrong in Ohiohttp://www.truthout.org/docs_05/010605Y.shtml At the bottom of the page, below the Executive Summary, is the link to download a pdf copy of the entire report. This isn't the letter to Blackwell, it's better.
I also recommend the ongoiong series of articles on the fraud and vote suppression -- often with a focus on Ohio -- written by Bob Fitrakis, Steve Rosenfeld and Harvey Wasserman at Free Press. The are good updates and can be followed like a story. Here are links to some of this series of articles. There are more.
(Dec 31):
Ohio's Official Non-Recount Ends amidst New Evidence of Fraud, Theft and Judicial Contempt Mirrored in New Mexicohttp://www.truthout.org/docs_05/010105B.shtml (Jan 3):
Ten preliminary reasons why the Bush vote does not compute, and why Congress must investigate rather than certify the Electoral College (Part One of Two)http://www.freepress.org/departments/display/19/2005/1065 (Jan 5):
The "Crime of November 2
http://www.truthout.org/docs_05/010605B.shtml Here is the DU post with a link to Conyers' letter to the all the senators asking them to challenge the Ohio vote certification:
http://www.democraticunderground.com/discuss/duboard.php?az=show_topic&forum=102&topic_id=1110413There is much, much more. Research papers on the statistical near-impossibility of the vote count being accurate, tons of documentation and first-hand accounts, movies made of voters being denied their right to vote by suppressive tactics.
But this is a start.