I can't add any more to the praise noted in the other reviews. They are all "dead on" correct.
What I will add is that the Support for this component is by far the best I have ever encountered in the Joomla Community. I ran into a couple of upload and display issues that could have forced me to look for another component. Emails to the Developer were quickly answered and every issue detailed was addressed and solved within 48 hours. I measure "customer service" very highly as part of value. "It doesn't get any better than this" is my assessment of this component - and all of this for a free component!
Because the site needs more control offered through the F2CPro component than offered by this component, I will be purchasing the F2CPro version. I am always reticent about purchasing an untried component; any hesitation I may have had about purchasing this component was completely removed by the Developer's support. Thank you.