I guess never say never, but don't hold your breath. A very good explanation from one of the OWA 'light' developers on the bottom of this page.
http://msexchangeteam.com/archive/2006/09/13/428901.aspx From: Angie Urtel [mailto:[EMAIL PROTECTED] Sent: Thursday, November 13, 2008 12:28 PM To: MS-Exchange Admin Issues Subject: Full OWA client, not IE Does anyone know if there has been mention of Microsoft ever supporting the full-blown OWA client for alternative browsers? Angie ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~