Here is John Piper talking about the ESV Bible and the upcoming ESV Study Bible. He likes them.
[youtube=http://www.youtube.com/watch?v=SlFsBdEkxMQ&hl=en&fs=1]
Hat tip to Joe Thorn.
UPDATE: and here is Mark Driscoll
[youtube=http://www.youtube.com/watch?v=pfHIC7I0hyo&hl=en&fs=1]
and the page where lots more folks are talking about this new study bible that is coming out October 15.