Real Dimez are a quick way into Vice City’s music storyline
Rockstar’s cast introduction connects Real Dimez to Dre’Quan Priest, whose plans include making his mark on the Vice City music scene. The official character material is a short entry point for anyone who’s more interested in that corner of Leonida than in the heist setup.
Watch their clip in Rockstar’s video library, then compare the details you noticed with the character writeup. Keep anything you learn from the actual game in a separate spoiler thread once it’s out.