Didn't see this posted anywhere but I just ran across Pokemon Heartgold and Soulsilver for $29.99 at Amazon. Ten bucks off made me pull the trigger as I just got a DSi XL and can't resist Pokemon :D
I was at my local Blockbuster today and saw Mass Effect 2 Used for the Xbox 360 for $9.99. This is the cheapest I have seen this game anywhere B&M or online. They had 6 copies so I'm assuming this is a clearance deal. There were also a few others worth noting, such as God of War 3 for $24.99.