Plextor Europe has released new firmware versions for the Premium and PX-W5224TA drives:
[i]PlexWriter Premium(-U) V1.03:
-GigaRec at 8x writing.
-Support for newer CD-R media.
-Write performance for several NS and US CD-RW.
-Write quality on various CD-R media.
-FE/TE test for Plextor media.
-Writing on some CD-R media at speeds between 20X to 40X will generate a write error[/i]