Apple has released Remote 2.2 for iPhone, iPod touch and iPad. This update offers a number of changes, including iOS 5 compatibility and the ever-popular "stability and performance improvements."
Meanwhile, iMovie for iOS version 1.2.2 is also available. According to Apple, this update "...addresses minor issues and expands support for videos imported from external cameras."
Please note: you won't be able to install these updates until you've got iOS 5 running on your device. Go and grab them now. Happy updating!