We check this website, now pricerunner.co.uk is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is pricerunner Down Right Now? - NO! pricerunner is up!
If you have problem with access to site pricerunner, and domain pricerunner.co.uk is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).