Wait til Autogeek has a deal going on. The 7224XP is the latest version and it is amazing. But the Geek will toss it out with bonus pads, the backing plate etc etc. I got mine around May of last year and love it. Polishes etc make a big difference as well.
So far I'm using the Mezerna Super Intensive and finishing polishes combined with some various sealers and waxes.
I literally sold my Regal yesterday based on the photos of how it shined in May.