Can't do this anymore as they only allow you to link your bank account to a single PayPal account. Also there are a lot more ID requirements nowadays, so you can't just setup a virtual business like you used to - a separate account for each new website.
I can understand why, but surely a suitably long holding period (account probation period) would solve the fraud and chargeback issues caused by the scammers who ruin it for the rest of us!