Macworld The Apple Watch Series 10 arrives this week, but if you just want a great smartwatch at a great price, a discounted Series 9 is your best bet right now. And we’ve got a great one: The 41mm Apple Watch Series 9 with cellular is just $349 at Walmart, a savings of $150 and the best price we’ve seen on this model. We reviewed the Apple Watch 9 and easily gave it a 4-star rating and our Editors’ Choice award, thrilled about the timeless design and the great battery life. “The Apple Watch Series 9 is just like the Series 8 but improves on it in a few small ways: the processor is faster, bat…