I've had an account with O'Reilly's Safari books on and off for years
I've cancelled it before beacuase of design issues that rendered it unworkable for me.
This time they have "upgraded" the site from an AJAX based layout which allowed me to choose between "print fidelity" and "HTML view".
The new layout uses Flash to render the pages as they look in print in a scrollable window.
I hate this because
editors to add information about new projects, partnerships, news and so on. These elements are automatically cross-referenced and appropriate articles highlighted on the home page.