Not Bhilly - but from my reading and study the biggest obstacle to over come is water chemistry. I found this lil site yesterday thought it was a good summarization of the process - he recommended reading three books -
Jay Torborg's Reef Tank Pages
Here is another great post laying out the entire build of a tank -
Reef Central Online Community - Starting 90g Reef Tank Build... Finally!!!
If you want to see a tank that will just make you say dam -
Oregonreef.com