You can get it here:
http://www.robertknight.me.uk/blue2/site/index.php?view=order
(If TGC has a link for it, it is nowhere to be found)
and yes, it comes with several tutorials, Rob did a pretty good job on the help files to boot. It has a pretty decent support base as well, the support base consisting of users such as myself, other forum-goers and the occasional celebrity appearance of Rob himself
. You will find that users try to help eachother out as much as possible, which lightens the load from the admins which in turn give them time to better their products
"We are what we repeatedly do. Excellence, therefore, is not an act, but a habit." - Aristotle