'''Linux Weekly News''' carried an article about bcache written by it's author, Kent Overstreet, and one of its testers, William Stearns: http://lwn.net/Articles/394672/
'''Linux Magazine''' carried a 5 part series covering bcache and providing benchmarks (free login required): "Hard Drive Caching with SSDs" http://www.linux-mag.com/id/7839 , "Bcache Testing: Throughput" http://www.linux-mag.com/id/7843 , "Bcache Testing: IOPS" http://www.linux-mag.com/id/7847 , "Bcache Testing: Metadata" http://www.linux-mag.com/id/7852 , and "Bcache Testing: Large Files and a Wrap-Up" http://www.linux-mag.com/id/7858 .
'''High Tech Sorcery''' has pointers to articles on zfs, bcache, and flashcache in "Using an SSD as a cache device": http://hightechsorcery.com/2010/07/using-an-ssd-as-a-cache-device/
'''Laboratorium Komputer''' has "Bcache Testing: Throughput" (8/29/2010): http://www.labkom.com/system/bcache-testing-throughput/ and "Hard drive caching with SSD's": http://www.labkom.com/system/storage/hard-drive-caching-with-ssds/
'''Ars Technica''' has a discussion thread on bcache: http://arstechnica.com/civis/viewtopic.php?f=16&t=1113403
'''Listware''' has a discussion thread on "It is possible to put write cache on ssd?": http://www.listware.net/201006/linux-raid/12331-it-is-possible-to-put-write-cache-on-ssd.html