More news about the Teac's CDR-W drives and MMC DAO RAW new feature. We emailed Olli (CloneCD author) asking him if the Teac 58s and 56s are now supported:

"...it is not true. (I tried it with a TEAC 56S-600)..."
Regards,
Oliver Kastl
Elaborate Bytes
http://www.elby.de

However as it seems Teac CD-W54E works with the CloneCD:

"...Great News! I have burned 3 disc succesfully with CloneCD in the TEAC CD-W54E (firmware:1.1B)!..."