No worries, I didn't think you were bagging Oracle. It was more a marketing thing for me. neither the sybex books - nor, more particularly, the Oracle Press books have anything to do with Oracle corp. The latter is a marketing agreement between Oracle and the publisher - the publisher, not Oracle, is responsible for the technical accuracy (or rather not) of the books.
<slight marketing bit>
Incidentally I did have the pleasure of tech reviewing Mark William's book on programming Oracle with .Net technologies (http://www.apress.com/book/bookDisplay.html?bID=378 . I think that the book was good - but 2-3 days to tech review whole chapters (which is apparently longer than the industry standard) makes it somewhat unsurprising that the quality of book is often very variable
</marketing>
Niall Litchfield
Senior DBA
http://www.niall.litchfield.dial.pipex.com