Skype for Mac was released early this year and now it has been updated to Skype 5.1.Skype 5.1 comes with various bugs fixes.
It fixed issues including the iSight Firewire webcam detection problem, participants in group calls can easily identify active speakers and users can select recent called numbers stored in the dial pad.
New Features in Skype 5.1:
Focus on active speakers in group calls
Dial recently called numbers from dial pad
Contact groups shown in on the right hand side, allowing more space in the side bar
Several minor bug fixes
Call Quality Feedback
System requirements to install Skype 5.1 for Mac
1GHz Intel processor
Mac OS X 10.5.8 (Leopard) or later.
100 MB free disk space.
The premium version of Skype 5.1 Mac comes at €5.99/month*