The Product (Eventually)

Erase and format CD-RW, DVD+RW, DVD-RW media
Burn an ISO image to recordable CD or DVD media.
Burn a UDF image to recordable CD or DVD media
Create and burn ISO formatted data disks to CD or DVD from files on the local machine
Create and burn UDF formatted data disks to CD or DVD from files on the local machine
Write audio disks to CD-RW or CD-R media
Create audio "MP3" disks
Rip audio from Audio disks and store the music in MP3 format
Extract ISO images from data tracks on CD-R and CD-RW
Copy a (non-copy protected) disc
A top-level GUI application to provide all of this capabilty via a single application.
Write video to DVD disks
Write video to VCD disks (maybe?)

Status
Below is the status against the above features

Erase and format

CD-RW supported
DVD-RW supported
BD-RE supported
Burn and ISO image to recordable CD or DVD media
CD-R supported (via the BurnImage application)
CD-RW supported (via the BurnImage application)
DVD+RW supported (via the BurnImage application)
DVD+R supported (via the BurnImage application)
DVD+R DL supported (via the BurnImage application)
DVD-RW supported (via the BurnImage application)
DVD-R supported (via the BurnImage application)
DVD-R DL not yet supported
BD-RE supported (via the BurnImage application)
BD-R not yet supported (will be in 0.6.6)
HD DVD not yet supported
Burn a UDF image to recordable CD or DVD media
CD-R supported (via the BurnImage application)
CD-RW supported (via the BurnImage application)
DVD+RW supported (via the BurnImage application)
DVD+R supported (via the BurnImage application)
DVD+R DL supported (via the BurnImage application)
DVD-RW supported (via the BurnImage application)
DVD-R supported (via the BurnImage application)
DVD-R DL not yet supported
BD-RE supported (via the BurnImage application)
BD-R not yet supported (will be in 0.6.6)
HD DVD not yet supported

Create and burn ISO formatted data disks to CD or DVD from files on the local machine
CD-R supported (via the CreateDataDisk application)
CD-RW supported (via the CreateDataDisk application)
DVD+RW supported (via the CreateDataDisk application)
DVD+R supported (via the CreateDataDisk application)
DVD+R DL supported (via the CreateDataDisk application)
DVD-RW supported (via the CreateDataDisk application)
DVD-R supported (via the CreateDataDisk application)
DVD-R DL not yet supported
BD-RE supported (via the CreateDataDisk application)
BD-R not yet supported (will be in 0.6.6)
HD DVD not yet supported
El-Torito boot extensions supported
Joliet extension to ISO 9660
No support yet for Rock Ridge extensions to ISO (is this needed?)
Create and burn UDF formatted data disks to CD or DVD from files on the local machine
CD-R supported (via the CreateDataDisk application)
CD-RW supported (via the CreateDataDisk application)
DVD+RW supported (via the CreateDataDisk application)
DVD+R supported (via the CreateDataDisk application)
DVD+R DL supported (via the CreateDataDisk application)
DVD-RW supported (via the CreateDataDisk application)
DVD-R supported (via the CreateDataDisk application)
DVD-R DL not yet supported
BD-RE supported (via the CreateDataDisk application)
BD-R not yet supported (will be in 0.6.6)
UDF Image creation for UDF version 1.02
Write audio disks to CD-RW or CD-R media
Support for CD-RW audio burning
Support for CD-R audio burning
Support for wave files (any characteristics)
Support for MP3 files
Support for unprotected WMA files
Support for CD-TExt

Create audio "MP3" disks
CD-R supported (via the CreateDataDisk application)
CD-RW supported (via the CreateDataDisk application)
DVD+RW supported (via the CreateDataDisk application)
DVD+R supported (via the CreateDataDisk application)
DVD+R DL supported (via the CreateDataDisk application)
DVD-RW supported (via the CreateDataDisk application)
DVD-R supported (via the CreateDataDisk application)
DVD-R DL not yet supported
BD-RE supported (via the CreateDataDisk application)
BD-R not yet supported (will be in 0.6.6)
Works with the two DVD players I own that support MP3 CDs and MP3 DVDs
Rip audio from Audio disks and store the music in audio format
Integration of the audio ripper with the FreeDB cd database
Support for ripping audio and storing as a wave file
Support for ripping audio and storage as an MP3 file (if MP3 codecs are installed)
No support for ripping to WMA format
No support for submitting new song information to freedb.org
No support for reading CD-Text and using the information during the rip

Extract ISO images from data tracks on CD-R and CD-RW
Support for Mode 1 data imgaes on CD/ROM, CD/R, or CD/RW.
Support for Mode 2, Form 1 data images on CD/ROM, CD/R or CD/RW
Support for data images on DVD-ROM, DVD-RW, DVD-R, DVD+RW, DVD+R, DVD+R DL, BD-RE

Copy a (non-copy protected) disc
Support for copying Audio tracks to a disk image file (BIM file)
Support for copying Mode 1 data tracks to a disk image file (BIM file)
Support for copying Mode 2, Form 1 data tracks to a disk image file (BIM file)
Support for burning image files (BIM files) to a disk.
No support for raw track copying yet
A top-level GUI application to provide all of this capabilty via a single application.
The top level GUI is in place (I don't really like it so it will go through a major overhaul in the future)
The icons in the windows stink, hopefully someone with some artistic talent will join the project and redo the icons.
The infrastructure is in place for any number of icons, help text, executables, etc.
Write video to DVD disks
Work has begun on the DVD mastering engine, but there is a ways to go
Write video to VCD disks
I cannot find solid information on this format, so I am not sure if I will support it at all.