Two weeks ago I had posted about Independence Air, and my issues with their fare search online. Today, I got an email about their new and improved Fare Finder, that appears to have gone out to all of their IClub members.
New features include:

We now list all available (and sold out) flights on multiple days.

We show the number of seats left at a certain fare (if there are fewer than 5).

And we show you sold out flights so you know that you can try for another day.

In my quick look at it, I think this dramatically improves the shopping experience. It's great to see how many of the $44 tickets are left, so you know if you're at a point where you need to book quickly. Tabs for adjancent days to your travel, let you see the lowest fares on those days.
I really like the changes, and even if my email had nothing to do with it, it's something that will really help them win points from frustrated online travel purchasers.