Review: Viber 2.01 : Free calls and messaging

Viber 2.01 has recently been released and it brings about a few enhancements. I have previously written about my views of Viber 1.x, mostly about how it compares to its competitions and why you would want it. You can read my previous post here:
Review: Viber for iPhone, free calls anywhere...
Well, the Viber team has upped the ante and bring some new features to Viber 2.01 that makes this app even more functional than it already is. Here is an excerpt from Viber's update log:

"What’s New?

Review: Viber for iPhone, free calls anywhere...

 A new app for the iPhone has been making the vibes around town. And when I say around town, I mean internationally. Its got everyone 'talking' and everyone has got their facebook's jammed with recommendations to download this app if you're on the iPhone. What is it? You probably have already heard it anyway; its the Viber app.