Both the Commons and Lords will sit until Thursday - when they take a long weekend for Easter. The business for the week can be found at http://www.publications.parliament.uk/pa/cm200708/cmwib/wb080315/15.03.2008.pdf
p 4. Main business in the Commons will be the continuing debate in the Chamber on the Budget.
House of Representatives: next due to meet on March 31st
Senate: next due to meet on March 31st (though will meet in pro forma session throughout the Easter period)