My .02: With the popularity of Apple products going up and up, it was only a matter of time that attacks started shifting (even ever so slightly). While MS boxes have been and will be targets for a long time, the Mac world has been slowly becoming into focus for attackers. However, I'd suspect there to be a bigger attacker push into the mobile platforms rather than Mac in the coming year(s). Mobile platforms (iOS & Android) are more ubiquitous by far and more people would have a cell phone than a computer of any sort. Besides, people do stuff on their phones they would never do on their computer...the weak link gets weaker...
More reading:
Ars Technica - Mac Flashback trojan exploits unpatched Java vulnerability, no password needed
Krebs on Security - Urgent Fix for Zero-Day Mac Java Flaw
