Like gorila, I'll take the time to expand. I've been very happy with the 2 leemar tanks I've had over the past 10 years. A 225g (72x24x30) for 6 years, had the center brace come detached and leemar didn't hesitate to repair it. My current 125 (48x30x20) rimless starphire is very nice too. It has it's minor flaws, like any tank builder, but I am very pleased with it.
I don't know anything about DSA, but you really won't go wrong with either.
I'm in the same boat. I'm starting the planning of a new tank and although I don't think I'll need a custom tank build my wife is really particular about what the outside (stand and canopy) will look like.