Halo 3 Pre-Sale Rules for Listing on eBay:

First off, seller *must* have item available to ship in 30 days at auction close. 

Your auction listing must contain:

(1) Text that says this auction is a 'Pre-sale auction for Halo 3'

(2) Date when order it is guaranteed to ship.

(3) Text of font size 3 or larger of the html code when using 'Sell Your Item' form.

Offering an overnight shipping option is a suggestion.