One of our chief complaints about the new
From Engadget: "Users who bought Apple machines from October 1 on can participate in Apple's Up-To-Date Program, which provides free Leopard upgrades (for $10 shipping)."
You'll find more specific upgrading details on Apple's own Up-To-Date page.
We expect anyone who purchased a Mac after October 1 will welcome the free upgrade, but the new iMac and updated Mac Mini went on sale on August 8. Looks like you Apple early adopters get burned once again.