Inquisitor is always a game I've wanted to play properly but it was always hard getting the terrain right for it without a lot of work and now its very hard to get the right sized models, have many people on here ran it at 28mm by just cutting the ranges on everything in half?
It lets you use 28mm models which are cheaper and much easier to get hold of and importantly it lets you buy ready made terrain that works perfectly.
Me and a mate tried out a practice game a few weeks back and it worked pretty well, an Inquisitor each, a Guard Vet with Heavy Stubber and an Arbite with Cyber Mastiff and Shotgun.
I am planning on using the Zealot Minis Warrior Priest as my Inquisitor and may make him a radical Xenos Inquisitor so I can use the Dark Eldar Slyth model and a Kroot.