If you’re looking for the transcript of a Congressional Hearing, check out GPO Access, which has selected hearings from the 105th Congress to the current (110th), at http://www.gpoaccess.gov/chearings/index.html. Both House and Senate hearings are available. Most Congressional hearings are published two months to two years after they are held. Only hearings from the committees that are released to the Government Printing Office get published. If you want a copy of a hearing transcript from the last two months, the web page for the Committee that hosted the hearing is the best place to look. Be warned, though, not all hearing transcripts are released.