Ahhh, me desculpe por naum ter postado antes !!

Recebi um e-mail no começo do mês sobre o lancamento do Sun Studio Express.
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Sun Studio Express 3/09, the official build used for the Sun Studio 12 Update 1 Early Access Program, is now available for download.
Sun Studio Express - Downloads

Sun Studio Express 3/09 is available on Solaris, OpenSolaris and the latest Linux distributions (Red Hat Enterprise Linux, SuSE Linux Enterprise, CentOS, Ubuntu).

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O README
http://developers.sun.com/sunstudio/downloads/ssx/express_March2009.html?cid=e8432

espero que ajude !!