I'm pretty sure the nerf for non-donators and whatnot is 50k. I think that's acceptable, though I wouldn't mind it being bumped up to 60-80k.
To people who don't understand why the gold curve exists: The more money you pump into the marketplace, the less the money is actually worth. Take the Bloodstone Amulet for example. There are only 5000 of them. That means ONLY 5000 PEOPLE can have them at any one time. But if everyone had one, they wouldn't be very valuable. It's like the promotional ads for movies or products that Gaia does every once in a while. Yes, they are typically available for a short amount of time, but almost everyone gets one and if you look for them, they're usually 1k or less.