hi six,
I did not fully appreciate freeverb until I spent almost two hundred dollars on an external reverb. THe external unit is better, but freeverb can come close, and for the money is unbeatable.
I usually set up the room size about midway. I like turning damping all the way up, and the wet/dry mix all the way up(if you are using a send)
I also eq out the return, removing the high frquencies and some lows.
I usually use freeverb for the vocals or some bass, not kick . I think it is optimised for vocals.
When I don't feel like recording an extra stereo track of reverb, freeverb is what I always reach for first.
the only gripes I have about freeverb is that it is easy to use too much, and the early reflections are not contollable. but high cut/low cut eq can fix some of that.
peace