Avadon - v1.04 for Mac
Spiderweb has released v1.04 of the Mac version of Avadon:
We have updated Avadon: The Black Fortress for the Macintosh to v1.0.4. This update fixed a number of glitches and improves performance with Apple magic trackpads. You can get the newest version here. Just download and install it. Your saved games and registration won't be affected.