Ken Schenck offers a Targum of Hebrews 13:9-16. He also gives a meditation on Hebrews 11 for the second Sunday of Advent, and an excerpt on Hebrews and the Temple. Ken also give a preview of an article he wrote in which he argues that "Christ's death was an atonement for all the sins of the Jews in the past who ever lived and were in right relationship with God."
Scott McKnight is doing a series on how he changed his mind about Calvinism based on the warning passages in Hebrews. Parts 1 2 3 4 5 6 7. Derek Ouellette provides a summary of McKnight's argument.
Rod Decker offers an interpretation of the temporal reference in Hebrews 2:5.
David M. Allen does a guest book review on Chris Tilling's blog on David Moffitt's new book, Atonement and the Logic of Resurrection in the Epistle to the Hebrews.