I am returning to this hobby after a 13 year break. When I left, undergravel filtration was the norm, but I have quickly learned that live rock and sand is preferable in conjunction with a protein skimmer and perhaps powerhead filters.
Reading this thread, I am inclined to consider buying the live rock from a local dealer, but it costs $10 - $13 per pound, or 3X SWF.com. Is this typical?