Macworld When it comes to style and great performance, the iMac is hard to beat, especially the most recent version that features the new M3 chip. And it’s even better than it’s on sale: Amazon is selling all of its M3 iMac configurations for $150 off right now, including our favorite with a 10-core GPU and 256GB of storage for an all-time low of $1,399. One of the coolest things about the iMac is the way it looks. Let’s be honest: having a super large screen that incorporates all that hardware can be handy. The 24-inch 4.5K Retina display is absolutely gorgeous, offering some 500 nits of brig…