wow, this has fallen fast… its a reasonable price now! not as good as the first two… the developers didn't stay true to the style which is a shame, i was a little disapointed with the demo.. but for 10 bux… thats a pretty decent bargain.
note: from the below credit to Decat
http://www.getgamesgo.com/product/dungeon-siege-3-bundle
$12.48 but include Treasures of the Sun DLC
mightyape so this should be legit - retail. (not a dodgy CD site ;) )
Its a shame they can't send you the key via email, I'm guessing there are postage costs.