Remember the armoury chest screenshot posted on the FFXIV Facebook page last week? Of course you do.

We wanted to also mention that the gear set feature itself will be totally revamped! And it will be possible to place gear sets on the hot bar, making it possible to change with a single button.

Yoshi-P added this about the duty finder:
Quote Originally Posted by Naoki_Yoshida
The duty finder is already up and running. However, we still need to make various adjustments and the Beta phase 4 release timing has not been changed.
There is a possibility that we implement it into Beta phase 3 with limited features.
This is an extremely convenient feature and we would like to release it as soon as possible, but please hang in there a bit longer.