I can see yours working....don't think I have any conflicting (have put my rewrites in the PM).
Can an htaccess file be cached at all?
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.