This just in Free Press: Tesla buys Grand Rapids auto supplier, its first presence in Michigan WSJ: Tesla Buys Michigan Auto-Parts Maker - WSJ Engadget: Tesla's first acqusition is a Michigan auto parts maker NBC (local): Tesla Motors moving into Kent Co. plant | WOODTV.com
Also see this thread in the Tesla section: Tesla Acquiring Michigan-Based Tool Die Company General thoughts/responses probably belong there. Local commentary can stay here.