You are still not on 64-bit?
Come on. No more excuses. If your application is still not running on a 64-bit platform - preferably Windows - you might face the fact being called a laggard or worse. Don't know if that's a good attribute in your industry.
Be it as it may, our beloved folks over in the server product group are hosting a webcast on the 21st of June, title: "Maximize New Server Hardware with Windows Server 2003 x64". Go and find out more details about content and logistics over at the Windows Server Division Weblog. That'll do it to convince you!
Oh, and they promised to also talk about Itanium.