Quickoffice for iPad can now edit 2007-2010 PowerPoint files

PowerPoint aficionados can not only perform basic tasks, they can also view, create, and edit numbered lists in PowerPoint files, as well as insert over 100 different shapes into their presentations.
Quickoffice Pro HD can be found in the business category in the Apple App Store for $19.99.
Quickoffice Pro HD [Apple App Store link]
source: IntoMobile