The U.S. Government Printing Office offers hard copy, if you prefer. Ask for stock number 041-015-00236-8. This will cost $8.50 plus $4.75 for shipping, (total = $13.25), checks and most major credit cards accepted. Order by phone at 866-512-1800 or on-line, or by mail from Superintendent of Documents, PO Box 371954, Pittsburgh, PA 15250-7954.
You can also obtain a copy of the Senate Select Committee on Intelligence's report on the U.S. intelligence community's pre-war assessments on Iraq on-line: Link. The GPO offers printed copies for $51 (stock number 052-071-01415-2, follow order instructions above.)
Update: Reader FerrisB says, "If you'd like to hear the testimonies from the commission hearings, the iTunes store has them available for free in their audiobook section. Link