Yeah 90,000 GP is WAY out of my league. As far as dropping the ring, well, you can only gain the benefit of two rings at a time right? And yes, flying is important, how much do those items cost? Also, are they a small number of rounds/minutes/day, or at will?
Not quite true. There's some shriveled hand you can wear in your amulet slot that you can put a ring on and have it work.
On DMPCs: "Remember, nothing will spice up your campaign quicker than long descriptions of NPC’s doing spectacular stuff while the players sit around and watch." -Shamus Young, DM of the Rings Divide By Zero: Irreverent Fool, you are my hero.