Let's say the truth: this plug in does nothing you can't do by yourself, but it might save you a lot of time!
Tha fact is: it just do what you usually do with EQs, Comps, Gates, Limiters, but with this Drum Tools you don't need to start from zero!
Every preset already sounds moderately good and is a good starting point to find the right sound just with few turns of the effect pots!
SO, in the end I would not suggest putting all the money in this tool, but if you find a good deal as thomann often does (I got it for little more than one third of its price) catch it!