Milan Kryl sent me an email about a new Gmail feature he found. Basically, he is seeing a new contacts tab on the left hand side of Gmail, I am not seeing this yet. In addition, he said he saw (but now does not) ATOM export feature. While writing this, I did some quick blog reading via my RSS aggregator and found a write up on this at insidegoogle.blogspot.com.
Here are two screen captures from each respective blog mentioned above: