Printopia costs $9.95, and lets you print from any printer connect to your Mac… or any printer connected to your network. Printopia gets the job done quite nicely for OS X, while AirPrint Activator works for Windows. It turns out there are at least two third party apps, however, which will let you send print jobs to any printer connected to your computer. While Apple had originally promised that AirPrint would also work with almost any printer connected to your Mac or PC, that feature isn’t currently available… from Apple. Unfortunately right now that means that a handful of HP printers work out of the box. Apple’s AirPrint technology is a nifty tool that lets you send print jobs from supported iOS devices including an iPhone, iPod touch, or iPad running iOS 4.2.1 to a supported internet-connected printer.