Yep. With PDF Expert on an iPad, you can instantly see a thumbnail view of your pages, as well as swipe the page slider through 600 pages with a thumbnail being

Yep. With PDF Expert on an iPad, you can instantly see a thumbnail view of your pages, as well as swipe the page slider through 600 pages with a thumbnail being shown for each of those as you swipe. This does get slower for some pathological PDFs, which is why an even faster CPU would help.