BestBuy B&M has Neverwinter Nights: The Shadows of Undrentide for the PC for $19.99. Use the $5 of $19.99 Gamer's Gift Card found in their video games department and you can pick it up for $14.99.
Alternatively, if you don't have a BestBuy near you, you can get it at BestBuy.com for $19.99 with free shipping.
Thanks Sakky for the deal info!
PC: Neverwinter Nights: The Shadows of Undrentide - $14.99