You can find scaled-down versions of powerful desktop applications--sorry, they're too brawny to be called "apps"--for tablets, including Adobe Photoshop Touch, Avid Studio, and Microsoft OneNote. Still, there's a serious "app gap" between PCs and slates.
What won't run natively on tablets? Desktop powerhouses such as Apple's Final Cut Pro and Microsoft Office (well, not yet, anyway), as well as custom enterprise programs written for Windows PCs. And upcoming Windows 8 tablets powered by ARM-based processors won't run legacy Windows software either. Indeed, the tablet's arrival in the workplace may cause major migraines for enterprises.