Blockbuster Offers to Buy Hollywood Chain  CHICAGO (Reuters) - Blockbuster Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=BBI.N target=/stocks/quickinfo/fullquote"&gt;BBI.N&lt;/A&gt;, the largest  U.S. video rental chain, on Thursday said it has contacted  Hollywood Entertainment Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HLYW.O target=/stocks/quickinfo/fullquote"&gt;HLYW.O&lt;/A&gt; about acquiring its top  rival for \$700 million.