Have been trying to acess this today but it keeps coming up as unavailable and some incomprehensible message about broadwithbands being exeeded or something like that

Help I want to get on his site again

Basically, it means that more people have visited the site then they have allocated for, hence the bandwidth quota has been exceeded message. Until they sort something out with their hosts (e.g buy more bandwidth) the site will be down.

Seems like Ian is a pretty popular guy