So, what's been sold or spoken for are the Apex (sold), DOS (spoken for). Next up will be a pair of Tunze 6095s (not the one's with the built in controllers). They are soaking right now and will be in good to very good condition once cleaned.
These things are beasts and will run in a New York City sewer system forever. They're a few years old though so $50 each. They will be ready tomorrow evening.
After them, I'll have another pair of Tunzes that are smaller. Not sure of the model yet (have to look it up) that were run on a 40 for only a few months.
After that (yeah, I'm cleaning as I sell) will be a Vertex Omega 180I. This is the most well made piece of acrylic I've seen in a while. Perfect for a mid sized tank (up to 150 gal IMO) and will be in very good condition after cleaning.
Everything that I list will be tested to ensure proper function other than my brain.