Here is the announcement from the ESV Bible Blog:
Crossway is pleased to make the ESV Online Study Bible available free—for anyone and everyone—for a limited time beginning today, March 2, 2009. Until now, the ESV Online Study Bible has been available exclusively to those who have purchased the print edition.
In addition to the features found in the print edition, the ESV Online Study Bible provides numerous interactive features enabling readers to:
• Record personal notes, reflections, and links
• Click hyperlinked cross references
• Search by verse, topic, or keyword
• Digitally highlight Bible passages with various colors
• Listen to audio of passages
For full access to these features through March 31, 2009, visit www.esvstudybible.org/online. Simply create a login and password. Email information will not be shared, nor will there be any obligation to purchase.
You can also access all the Articles and Charts & Maps. I think you will be impressed!