Sun Rolls Out Much-Awaited Solaris 10  SAN FRANCISCO (Reuters) - Sun Microsystems Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=SUNW.O target=/stocks/quickinfo/fullquote"&gt;SUNW.O&lt;/A&gt; on  Sunday introduced the long-awaited next version of its  operating system, Solaris 10, which the network computer maker  is betting on to help bring itself back to sustained  profitability.