What Would You Pay for a GPS Compact Flash Card?

After seeing some interest from fellow photographers on yesterday's spoof “Automatic Geotagging with GPS Compact Flash Card“, now I'm curious just HOW interested.

Let's assume that you're shopping for a 4GB card and the GPS card is on the market. Also assuming that the cost of a typical 4GB card is about $50 (though they range between $25 and $100). What's the MOST you would consider spending on a GPS enabled Compact Flash card? At what point would you say “forget it”?

What Would You Pay for a GPS Compact Flash Card?

Also, DEFINITELY check out the poll results from last week on the Creative Commons vs Copyright question. Copyright still has a strong lead, but there are actually quite a few Creative Commons users out there.