Christianbook.com is running a Fabulous Friday sale on The New Interpreter’s Dictionary of the Bible for only $130.
33468: The New Interpreter"s Dictionary of the Bible: Five Volume Set
This five-volume work includes 7,100 articles and many illustrations. NIDB is not quite as comprehensive or detailed as Anchor Bible Dictionary but it is more up-to-date. Amazon sells it for $316.

Carl Rasmussen’s excellent Zondervan Atlas of the Bible is also marked down to $18 for the sale (which lasts through Monday).