The firmware page has been updated again. Read More for the full list of new firmwares...

DVD-ROM:
Aopen DVD-1640 Pro-A 1.21 (RPC-2 firmware)
Matshita SR-8176 MZ25 (available in original RPC-2 version and patched RPC-1 MX25version) Patch by XVI
QSI SDR-081 ES04, EU06 (RPC-2 firmware)
Samsung SD-616B BS02 (RPC-2 firmware)
Sony DDU-1621 S1.3 (RPC-2 firmware)
CD-ROM:
Cyberdrive CD486D 170J
Plextor PX-40TS 1.13
Samsung SC-148N NS02
CD-R:
Cyberdrive CW038D 100C
Liteon LTR-12102C RS0A
Plextor PX-W2410A 1.01
Samsung SW-408B BS02
TDK Cyclone 161040 1.02
Check their site for information on various download links here.