I went a little eBay/Craigslist crazy last weekend. I've been scrubbing tanks and filters for two days. I just did the math and the "90 gallon" is really a "75," but it came with a solid wood stand, light, HOB
filter and lots of extras: $100 plus a bag of Black Dynamite medium grain (quite a few forum members suggested this and I love it) and a can of stain.
I also grabbed two 30 gallon tanks with stands and lots of extras.
Here are a few before and afters of the 75 in progress (the centerpiece was one of the many extras I got)...