What Operating System to achieve this?

Hi Everyone,

I'm looking to rebuild my HTPC and would like to hear any suggestions you have on what operating system would be best for the things I want to do with it. First of all, the spec / main connectivity:-

• AMD Kabini 5350
• MSI AM1 Motherboard
• 4GB DDR3 RAM
• 32GB USB3 boot device (I'm completely open to the idea of getting a full SSD for it)
• GigE network connection, with my NAS serving up SMB/NFS shares.
• HDMI out to AV Receiver and TV

Also,

• Logitech K400 Keyboard
• USB Bluetooth 4.0 receiver
• Two Dualshock 4 controllers

What I'd like to do with it:-

• Use Kodi to watch media from the NAS
• Watch iPlayer and YouTube; happy to do this with a browser or perhaps Kodi plugins
• Steam home streaming, or some other way of playing games from my desktop (using the DS4 controller(s))
• Run emulators for older consoles (Going as new as N64, PS1 perhaps)

I was leaning toward using Linux Mint, but I wondered if anyone had any suggestions of alternatives? I'd like to be able to switch between these activities quite easily, so any suggestions for a suitable frontend are also gratefully received. I'm aware that I could get a Raspberry Pi and run LibreElec on it, and a second to run Retropie and manage most of these tasks; but if I could do the lot from the one machine then that would be much better!

Many thanks for your help!