When you get to the PayPal page, you should see the following on the left:
Don't have a PayPal account?
Use your credit card or bank account (where available). Continue
Try clicking on the "Continue" link there.
I've attached a sample image of where that "Continue" link may be (from a different site) below.
As a side note, I am merely presenting this for information; I have no part in Ellis's site.