You just experienced a weekend of epic deals, and it's not even close to over yet. There are still all kinds of holiday app sales going on, and then it'll be on to the New Years sales, then the Presidents' Day sales, then the Valentine's Day sales, and so on in that fashion until all the apps are sold.
Apps
aTorrent PRO – $1.00 from $4.95
MathHelper: Algebra & Calculus – $1.89 from $3.69
SunVox – $3.99 from $5.99
Weather Screen – $0.99 from $2.99
Action Launcher Pro – $1.99 from $3.99
Games
The Lords of Midnight – $0.99 from $4.49
Star Command – $0.99 from $2.99
R-Type – $0.99 from $1.99
Raiden Legacy – $1.99 from $4.99
The Last Express – $0.99 from $3.99
Another World – $0.99 from $1.99
Flick Golf Extreme – Free from $1.99 (Amazon app of the day)