mwave has this
ASUS BR-04B2T Blu-Ray SATA drive BD-4X / DVD-8X CD-32X (bulk)-Black from mwave.com for $50 for mclub members (free to join) with free shipping. If you are a member you get $5 off $25 for every review you submit. So with that coupon you get it for $45 + FS if you also use BCB you get additional 3% back.
General
# Device Type: BD-ROM drive
# Enclosure Type: Internal
# Interface: Serial ATA
# Approximate Width: 7.3 in
# Approximate Depth: 5.7 in
# Approximate Height: 1.7 in
# Approximate Weight: 14.5 oz
Optical Storage
# Type: BD-ROM - 5.25" x 1/2H
# Read Speed: 32x (CD) / 8x (DVD) / 4x (BD)
# Supported CD Formats: CD Text, CD Extra, CD-DA (audio), Photo CD
# Supported Media Types:
CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM,
DVD-RW, DVD+RW, DVD+R, DVD+R DL, DVD-R DL, BD-R, BD-RE, BD-ROM
# Media Load Type: Tray
# Access Time: 150 ms (DVD), 150 ms (CD), 250 ms (BD)
# Buffer Size: 2 MB
# Features:
Horizontal/vertical mountable, True Theater High Definition Technology (TTHD), E-Green Engine technology
# Compliant Standards: Video CD
Expansion / Connectivity
# Interfaces: 1 x Serial ATA-150 - 7 pin Serial ATA
# Compatible Bays: 1 x front accessible - 5.25" x 1/2H
Miscellaneous
# MTBF: 60,000 hour(s)
Software / System Requirements
# OS Required: Microsoft Windows 2000, Microsoft Windows NT, Microsoft Windows XP, Microsoft Windows Vista
Environmental Parameters
# Min Operating Temperature: 41 °F
# Max Operating Temperature: 104 °F
ASUS BR-04B2T Blu-Ray SATA drive BD-4X / DVD-8X CD-32X $50 or $45 + FS 
