IMHO the reviewer had little or no idea of what he was doing. Have a look at page four of the review "CD Read Test". The reviewer states "With a pressed CD, it was able to read the disc above 40x but fell short of 48x." Same for recordable media. However the disc used by the reviewer was only 68:04:24 in size, instead of a full 74.00:00. It is obvious that full speed cannot be reached on a partially empty disk.
As a read test is truly the most simple thing to do I really doubt the quality of his other results obtained in the test.
Addendum: I just realized his DAE-Test entirely bases on CD Recordables. Doing a read test on a recordable not just 'tests' the reading capability of a drive it also shows the recording capability of the drive used to write the discs. (Actually the reviewer uses this method to test the writing capability of the 716a). Now the reviewer does not give any information on the recordable discs used, except brand and speed rating. I'd rather like to know whether the burn was a solid one or whether this was some catastrophic 52x-or-bust jobs.
Man I have to stop reading this review in debt or i'll want to strangle that guy