The "R2R" (Team R2R) release of the UAD Ultimate Bundle is popular because it offers:
UAD often runs "Custom Bundles" where you can pick up their best plug-ins for as low as $30–$50 each. uad ultimate bundle r2r
While the idea of getting $10,000 worth of software for free is tempting, using a "UAD Ultimate Bundle R2R" release comes with significant downsides: The "R2R" (Team R2R) release of the UAD