Thanks for your interest in trying the new PayPal for business
We're currently asking users to preview the new experience by invitation only, so look for yours soon in your inbox. You can still continue to use your account as usual through the classic experience.
Gave me the same message - we'll see what happens. It's really time for them to redo their interface their main site was redone but as soon as you log in it's as old-looking as before.
I received an invite and checked, I must say they've done well but it's still in beta as there are some options that do not work. They're adding new features too.