Apologies to anyone that has visited the website in the last couple of days, it would appear that there has been a fairly large amount of downtime. Everything is back up and operational again. I will be keeping a closer eye on the status of the website from now on to try and prevent this type of situation arising again. Thanks for your understanding.
Check back soon.
Update: It would also appear that the category browsing is currently broken, I am working on a fix and will push it out shortly.