Just in case you're at all interested in DIY, check the DIY forum. There are tons of examples and step-by-steps to help you on your journey.
Not certain, but I believe it's hydrophyte that has a wonderful sort of industrial revolution/union pacific railroad style of stand that he builds using stained 4x4's and large brackets. It sorta makes me think of the "industrial Aztec" thing Chipotle has going on, with more wood.
If DIY isn't your thing, good luck! And be sure to get pics of the inside to make sure it's solid.
I DIY'ed my stand and canopy for my current 300g reef tank, but this time I am being kinda lazy and don't want to do another..