I tried to work out a deal with NW to PAY the difference between either two discounted WBC seats (at around $1800 each) or a coach fare that would allow me to use miles for an upgrade. It all three attempts to "negotiate" this, I was advised that I would need to pay a $300 change fee for each ticket, and the difference between my $675 and a $2700 fare - a total about $4600 (!!). I know my ultra low fare that attracted me into taking Mrs. Remedy with me on this trip does not qualify me for any upgrades, but it seems with the current (as of today) interest in selling really cheap coach AND business class seats, it would really make sense to provide a better deal for a Platinum WP flyer - particularly if there are seats available. This might be a good Platinum perk if they are still interested in further differenting it from Gold.