This plugin works great! Even though it has loads of options, it's not hard to master the basics with a little effort. It will be well worth it.
The scripts and pieces make it a very powerful plugin, and probably everything developers would ever need for all their forms.
What it does need is some more documentation. The conditional fields tutorial was very useful. I'd like to see similar info for the scripts and pieces and other advanced stuff, and a wordpress version of the pdf manual :-)