You don't need a computer print documents anymore. Your iPhone will do just fine. Here's our how-to guide for wirelessly printing documents straight from your iPhone,
Apple has released iOS 4.2 for iPhones, iPads, and the iPod touch...and Find My iPhone now works for free without a MobileMe account.
The Apple iOS 4.2 update rolls out to developers and it includes wireless printing, folders, and multitasking.