Thanks everyone for the comments- I've still got a long way to go.
And yes- the tank is acyrlic and was made by Tenecor. The foam looks a lot better in real life. My girlfriends tank has the foam in it currently which is where we got the idea from and it looks just like real rock after a few months- most people can't tell the difference.
Here is a pic of the plumbing install so far. Still waiting for the OM 4-way and hopefully will have that up and running by this weekend.