I'm also looking to set up an opae ulae tank for my parents, have to really get working on the cleaning/decontaminating of the tank we will be using. Found somebody selling opae ulaes on craigslist in my area, and bought a -beautiful- set of corals (also on craigslist) for $25. My LFS also has that macroalgae in their live rock tub so will be adding some of it into the tank.
30 gal planted, bamboo shrimp, dojo loaches, nerite snails
8 gal Fluval planted: true siamese algae eater, amano shrimp
8 gal Fluval brackish: Opae Ulae shrimp