Is the 543xp revamped or replaced anytime soon, it appears to have an older styling, colors?
It’s a rebadged Japanese design that Husqvarna gained in their corporate acquisitions. Which for some folks is a positive, others a negative.
Mine is ported and I’ve never run a stock one, but in its current form it is like a modern 242xp with more grunt. Throttle response and powerband are excellent. It has rubber A/V but is still plenty smooth. I haven’t run my 346s since I got it and I have stopped putting hours on my old 2-series saws, too. Highly recommend this platform.