eBay

I am trying to update my email address to the one i used to sign up to the eBay (US) site which i have now closed. I can't find a method of contacting eBay through the Customer Support > Contact eBay page.

I want to buy something off the eBay.com (United States) using my ebay.com.au (Australia) account. I tried creating a new account on the US site, however, when I was required to link my PayPal account and selecting Australia from the country I reside...