I don't have much experience of different compressors, but it does sound like we were looking at them for similar reasons.
I wanted one that I couldn't really tell if it was on, unless I turned it off. Light compression, and limiting to even things out. At first I bought a Markbass Compressore, which is a marvelous thing, but it was too versatile for it's own good (for me), I could always "hear" it doing it's thing, and I couldn't stop tweaking it because I couldn't get it to do what I wanted.
After asking around here, a few people recommended the very basic Boss LMB-3, which is what I now have. Level at 12 o'clock, Enhance OFF, Ratio 11 o'clock, Threshold 11 o'clock, leave it on and forget about it. I think it's bloody brilliant.
Rob