Could Quickoffice become a holy grail that entices productivityIf you’ve been waiting for an office suite to debut on the iPhone and iPod touch, Quickoffice would like to talk to you. As a decade-long provider of office suites for virtually every significant mobile platform from Palm, to BlackBerry, and even Android, Quickoffice has been around the productivity block. Now the company beat Microsoft to the iPhone OS punch with a mobile office suite that can edit Word and Excel files. Macworld spoke with David Halpin, VP of Engineer and Product Development about debuting on an Apple platform, an App Store mixup, and what features will soon get off the drawing board.