My big issue as a legacy player isn't the starting prices on the legacy servers, it's the scaling. The point of the scaling "auction" system is that people who have a ton of money get access to these resources first; and that's fine.
What I would like to see is for the starting prices to stay the same as they are now but for the price reduction factor to also vary between worlds and be set such that the "final" price after 90 days of reductions without a plot being purchased ends up the same on all worlds.
People will still spend tons of money and prices will still be much higher on the legacy servers because this content is popular and people will be snapping lots up when they've only been on the market for a little while. This will still be a huge gil sink. My suggestion just makes it so that once we've burned through the thin layer of really wealthy FCs at the top, it'll get down to something more accessible for everyone else.