Microsoft has a dedicated Mac team at their HQ solely to develop for Macintosh platform. While they have done great stuff with Office 2008 for Mac; Messenger for Mac has been a real disappointment for me.
In June 2008, Mac BU (aka Mactopia) team released the latest version(7.0.1) of Messenger for Mac which improved support for users of the VoiceOver feature in OS X. It also fixed user interface issues that appeared when Messenger was used with some European languages. But even this latest version is a no match to its Windows counterpart, known as Windows Live Messenger.
Here is a look at all the misses of Messenger for Mac:

Sign In Window: Looks cool isnt it? Fits well in OS X 10.5 Aqua interface.

Signing In…

All looks good until you reach this window. The first thing you notice is that there is no way to see your contacts display pictures in the “Online” users list..............
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