Text of committee reports:
110th: http://thomas.loc.gov/cp110/cp110query.html

Text of conference reports:
Thomas: http://thomas.loc.gov/cgi-bin/cpquery/L?cp110:./list/cp110co.lst:1

Text of Congressional Record:
110th: http://thomas.loc.gov/home/r110query.html

Senate Legislative Calendar:
http://www.gpoaccess.gov/calendars/senate/browse.html

House Legislative Calendar:
http://www.gpoaccess.gov/calendars/house/index.html

House Roll Call Votes:
http://thomas.loc.gov/home/rollcallvotes.html

Senate Roll Call Votes:
http://thomas.loc.gov/home/rollcallvotes.html

Reports from the Congressional Budget Office [CBO]:
http://www.cbo.gov/publications/

Reports from the Government Accountability Office [GAO]:
http://www.gao.gov/audit.htm

Presidential Documents and Veto Messages:
http://www.gpoaccess.gov/wcomp/index.html

Senate Committee Schedules:
http://www.senate.gov/legislative/legis_legis_
committees.html

House Majority Whip Notices [The Daily WhipLine]:
http://democraticwhip.house.gov/daily_whipline/

House Floor Hourly Recaps:
http://clerk.house.gov/floorsummary/floor.html

Senate Daily Floor Schedule:
http://www.senate.gov/pagelayout/legislative/
d_three_sections_with_teasers/calendars.htm
 

House and Senate Annual Recess Calendar (also see Congressional Schedule):
House:
2008: http://www.house.gov/house/House_Calendar.shtml


Senate:
2008:
http://www.senate.gov/pagelayout/
legislative/two_column_table/2008_Schedule.htm

Days-in-Session Calendars http://thomas.loc.gov/home/ds/index.html

See the Senate's Schedule page for many links 
http://www.senate.gov/reference/
reference_index_subjects/Schedule_vrd.htm

• The Senate's "How to..." page
• Senate Statistics
• Resumes of Congressional Activity 

• Senate Virtual Reference Desk
• House Daily Press Gallery
• Terms of Congress