Usually if you have accounts at the major distributors(Arrow, Digi-Key, Newark, etc.), you'll get occasional updates passed on from some of the manufacturers wh

Usually if you have accounts at the major distributors(Arrow, Digi-Key, Newark, etc.), you'll get occasional updates passed on from some of the manufacturers whose parts they sell. But those are typically not the hobbyist/consumer items you may be looking for. Perhaps sign up for a SparkFun account? I get a lot of OSHW and new module information from them.