ssb = shallow sand bed
bb = bare bottom (tank)
I think you are smart to avoid a dsb in the display. I have had problems with them, and have much better luck with shallow sand bed or even bare bottom tanks. when I have a dsb, I prefer it to be remote, and easily disconnected in case there is a problem. I like refugia much better for controlling nitrates (like a sump, but lit and full of macroalgae, such as chaetomorpha) - nitrates are fertilizer, the plants take it up, you export nutrients by "pruning" excess growth. even on smaller tanks, small, hang on back (HOB) refugia are very effective when used with a skimmer. here's a link to one example:
http://www.cprusa.com/products/aquafuge.html
for qt, I use a 20 or 29 gallon tank for smaller fish, a big sterilite or rubbermaid tub (that I use to cure live rock, normally) for bigger fish. you can have a very simple set up. I use a bare bottom tank, with at least 1 lb per gallon cured live rock for biofiltration, some macroalgae and a power filter or cannister. if I need to treat the tank with medication that is not compatible with the bio-filter or macro, I just remove them before treatment. if you are treating a tank without a biofilter, you need to do frequent daily water changes to keep ammonia down.
since you like larger, colorful fish with engaging personalities, I'll repeat the list I gave you of some "known" hardy species:
picasso trigger fish
foxface lo OR yellow tang
coral beauty dwarf angelfish
snowflake eel (start with a small one)
my personal favorites (which I currently have or have kept) include the following:
-emperor angelfish (may outgrow your tank) OR Koran angel (a bit smaller, hardy, not too expensive, for a large angel)
-mimic tang
-harlequin tuskfish
-dogface puffer (there are some cool color morphs)
you might have room for one more reasonable sized fish (under 10") or a moderate sized eel, but I wouldn't rush crowding the tank.
do get New Marine Aquarium - this book would have saved me a LOT of time and money if it was available when I was starting out with salt water.
http://www.amazon.com/New-Marine-Aquarium-Step-Step/dp/1890087521
good luck! let us know how it goes.