A lot might be changing in the world of Macs. Apple is reportedly looking to level up its laptops to something beyond a MacBook Pro. The next high-end model could be christened with the name MacBook Ultra and offer a touch-screen interface , if rumors are true .  Reports have also pointed to upgrades coming for the iMac to refresh the lineup with new colors . There are also expectations that Apple will give its Mac Mini and Mac Studio lineup an upgrade for the new M5 chipsets. Watch this: Apple's Next Macs: MacBook Ultra Plus 3 More Macs We Expect 04:23 In this week's One More Thing, embedded above, we go over the new Mac models that might come this year -- or maybe some will be pushed to next year. The global RAM shortage is putting a strain on supply , driven by the surge in demand for generative AI tools. Memory shortage is already  taking a toll on the supply of Mac Mini and Mac Studio .…