I've only had the LightMaXX Multi dimm MK II for a couple of days but they work great. I bought 2 of them to tour round lighting theatre productions. When touring, power sockets will change from venue to venue, having a dimmer that can run up to 3000w of lights from a 13amp power socket was a must. Although it says it can run more, I'd not recommend running more than 1300w on a single channel and no more than 3000w in total. I made up some europian plugs to 16amp jumper cables so it now works on a 16 amp system.
It's silent other than an extremely quiet buzz when the lights are not up at full.
It stays relatively cool.
Lovely and portable.
It has inbuilt programs so when I'm not near a DMX lighting desk I can still check the lights.
The output covers are a bit flimsy plastic wise.
The fuse holders are delicate.
As well as europian channel outputs, it also has a europian plug, (you may have to rewire this.)