> http://www.openbsdfoundation.org/contributors.html

Iridium: $100,000 to $250,000

Platinum: $50,000 to $100,000

Gold: $25,000 to $50,000

Silver: $10,000 to $25,000

Bronze: $5,000 to $10,000

OT, but incidentally, gold is more valuable than platinum at the moment:

http://www.kitco.com/charts/livegold.html

http://www.kitco.com/charts/liveplatinum.html