Rogue Amoeba has just released Audio Hijack Pro v2.8. With this update, all of Rogue Amoeba's applications are now 100% ready for Leopard, as well as Mac OS X 10.4 (Tiger).
This update includes myriad minor bug fixes and improvements but also Instant Hijack 2, enabling the hijacking of audio from applications which are already running on Leopard, as well as Mac OS X 10.4 (Tiger). The System Audio Extra has also been updated with Soundflower 1.3, more ID3 tags are supported, and bookmarkable recordings have been made more reliable.