BDV 316C:
http://www.btc.com.tw/btc2002_e/product_home.html
pros: upgradable / flashable to all region codes
Cyber Drive DM168D
http://www.cyberdrive.com.tw/N3-DVD.htm
http://www.mce.de/pdf/cyberdrive/cyberdrive_dm168d.pdf
http://www.cyberdrive.de/en/article.php?sid=64
ftp://209.133.97.230/cyberdrive/201-P01-0-DM168D.PDF
Pros: seems to read fast, many DVD formats
con: unable to locate tested firmware to remove region code.
Irregardless of price considerations, which one would you choose?