I know it's old software, but I've been using it since 2004 and really love it. Are there any patches or upgrades or tweaks which would make it perform better or add anything to it?
The Samplitude Producer 2496 doesn't appear to be available anymore, but the developers have released something called SAMPLITUDE PRO X3. If you visit the website listed below, you'll find additional information as to how it works, compatibility, features, and downloads.
