Mad Catz started shipping its R.A.T. 5 and R.A.T. 7 gaming mice:
Seen below, the wannabe tough, transformers-like mice have a customizable weight system, a metal frame, five programmable buttons, and a 4000 (R.A.T. 5) or 5600 (R.A.T. 7) dpi laser sensor. The latter also features interchangeable pinkie grips and palm rests (three each) for even greater tweaking and a more comfortable use.
According to their maker, R.A.T. 5 and R.A.T. 7 cost $69.99 / €59.99 and $99.99 / €99.99, respectively.