The latest generation of XtremeMac's InCharge series of home and car chargers has arrived, and minimalist design is the name of the game. InCharge Auto ($20) is an ultra-simple black and gray car charger with a coiled cord, a low-profile Dock Connector, and a matte black charging bulb -- no frills, save for a 1 Amp charger that provides a faster recharge for iPhones, nice for the asking price. The Home ($30) and Home Plus ($40) versions of InCharge…