sander

I have a galaxy omega 8 floor sander . . . all three of the pulleys on the machine are the wider ribbed type pulleys that take special serpentine type belts. Im wondering if i could replace the pulleys with those of the same size but to convert them over to take the v notch type belts that say...

I'm interested in getting a new planetary sander that's ideally more aggressive than what I currently use (currently have a Clarke Epoch and a Lagler Trio) and a few machines that I've come across while researching various machines that seem to be more agressive than the others I mentioned are...