Finally, Adobe has released 64 bit preview version of its most popular flash player today for Linux / Solaris UNIX operating system. There is no Windows or Mac 64 bit version exists but Linux / UNIX is the first OS to get it. Indeed a good news; now we have both Java and Flash plyaer for 64 bit platforms. No need to use nspluginwrapper. From the blog post:
Furthering Adobe's commitment to the Linux community and as part of ongoing efforts to ensure the cross-platform compatibility of Flash Player, an alpha version of 64-bit Adobe Flash Player 10 for Linux operating systems was released on 11/17/2008 and is available for download. This offers easier, native installation on 64-bit Linux distributions and removes the need for 32-bit emulation. Learn more by reading the 64-bit Flash Player 10 FAQ.
It is being made available for developers and consumers to test their content to ensure new features function as expected, existing content plays back correctly, and there are no compatibility issues.
Please note that you need 64 bit Linux operating system and 64 bit Firefox version to use this new 64 bit player.