The Wall Street Reform and Consumer Protection Act of 2009, passed by the House on December 11, 2009 is over 1300 pages long. The Restoring American Financial Stability Act of 2010, passed by the Senate on May 20, 2010, is over 1600 pages long.
You have lots of reading to figure out the differences between the two bills.
Davis Polk put together a great side-by-side chart that compares key issues in the Senate and House Bills
. At a 160 pages, the chart provides a much more detailed analysis than any other I have seen published.