Replacing our core stack

Hello y'all,

We are currently looking for a successor to our CISCO stack of 2 full SFP × WS-C3750X-24S-S + C3KX-NM-10G.Our network implements 95+ VLANs, dispatched to 50 or so 2750S and 2750X. The average daily traffic is around 13 TB (terabytes) or 104 Tb (terabit) (90% being IP CCTV).

We'd like to replace this stack by recent and supported hardware that could withstand the current throughput + 50% min. while being as reliable as possible. This equipment centralizes our MAN and interconnects our buildings up to 3 Miles / 5 Km of distance (read SPOF).

I plan to ask an integrator to assist us in the transition process but first things first, I'd like to know what you think.

So, which family of Cisco hardware would you recommend for a 1-to-1 replacement?

Since we are not using any advanced features on the switches or software to manage them, we are wondering whether we should look after some Mikrotik switches for this usage. Would you consider this brand or is this a no-go for a core equipment?

Your guidance and advice will be much appreciated by my team and myself.

Cheers.