PDF Pro - Advanced PDF Reader (iOS) app for $1.99

Features At A Glance: High Speed: Rapid viewing of PDF documents File-Management: Add PDFs via iTunes, Dropbox, WiFi or direct download from the web Folders: Sort and group your PDFs with folders Labels: Tag your PDFs and Folders with colored labels Stability: Smooth display of very large PDF files Search: Search within PDF documents with full text search Table of Contents and Links: Accesses the table of contents of PDFs and directly supports linked content within PDFs Preview: Page previews of every page in a document Bookmarks and Notes: Add and Edit Bookmarks and Notes Integration: Allows you to open PDFs from other Apps (e.g. Mail or Safari) Connectivity: Send PDF files as E-Mails AirPrint: Print PDFs directly from your iPhone or iPad Security: Support for password-protected PDFs+