High Speed Media types

[wulffra]

Plextor recommends following media for their PlexWriter 40/12/40A

Recommended CD-R Media (74 min) - (4X ~ 40X)
Mitsubishi Chemical : CR74 VA1/VP1
Hitachi Maxell: CDR 74 MIX.1P (Must indicate 32X)

Recommended CD-R Media (80 min) - (4X ~ 40X)
Taiyo Yuden: CDR-80TYPR/WPY
Mitsubishi Chemical: CR80 VA1/VP1
Hitachi Maxell: CDR 80 MIX.1P (Must indicate 32X)

Recommended CD-RW Media (74 min) - (4X ~ 12X)
Ricoh : CDRW74-10XCW

Recommended CD-RW Media (80 min) - (4X ~ 12X)
Ricoh : CDRW80-10XCW

Does someone out there knows where to find a review of these media-types?
The availability is close to zero here. Are there any good alternatives??

brgds/Marcel.