They do indeed have good and fairly original designs for their wacky machines and stuff...but still they are another faction that boils down to the same personalities, essentialy all of them are cowards, all of them are backstabers and so on, theres almost no variation,they are practically all the same rat with diferent suits of armor, not to mention the concept of having your females constantly drugged while getting raped to make babies rubs me the wrong way very hard...they are on my list of "cool but I want to exterminate anyway" together with the tyranids.