Cartridge for my friend

So a year ago or so I had replaced my Pro-Ject Carbon Debut with a Marantz TT-15 and I had posted here that I would buy a new cartridge for the Carbon and do a A/B to see if the Marantz purchase was worth it....
Well that never happened because I ended up selling the Pro-Ject to a good friend who is also a new and budding audiophile! So cool to see the excitement in all his new audio discovery!Anyway he has a nice little system going and he is retiring from work here in six weeks... I thought I do what I’d said I would and buy him a upgraded cartridge for his TT as a retirement present. Now it’s a small budget I’m working on and I know how fast cartridges can get out of hand price wise so I want to keep it under $750.
The TT came with a Ortofon 2M Red and I was thinking of going with a Ortofon 2M Bronze for him? Thoughts? Suggestions? Thanks for any insight that will help me get a perfect cartridge for my friend and a new member of our club!