If imitation is the sincerest form of flattery, Harmonix must be beside itself with this last week finding not one but two companies hopping on the developer's coat tails and revealing a pair of drum kits that bear more than a passing resemblance to those used in Rock Band. However, while Guitar Hero IV's kit still carries some basis in reality, the kit revealed by Konami for the company's newly announced Rock Revolution looks to be designed for players with extra appendages or other rhythm enthusiasts who are not quite human.