Motorola's newest slider seems to have slipped out of Schaumburg and right into the waiting grasp of Engadget pal The Boy Genius. The Marco features the same slider case, GSM / EDGE radio, and 2 megapixel camera as the MOTORIZR Z3
, but updates the internals with a WiFi chip, making compatibility with T-Mobile@Home entirely possible. In addition, BGR says the JUIX operating system has been tweaked and refined, and that the case seems to have gotten just a hair thicker than before -- something we'll have to confirm when this thing officially launches late this year. Click on for more photos of the Marco doing its WiFi thing.