Best Mod for ESI Juli@ ?

Hello!

So i just found out about tweaking esi juli@ and in general audio cards from here: https://www.diyaudio.com/community/threads/tweaking-an-esi-juli-xte-card.238451/

As this thread is quite old and i can't see any pics available on the given links i would like to know which is the best tweaking for an ESI juli@ in 2022.

What should i do with my microsoldering guy to make it better? I have one card laying arround that i am not using and i would like to see if i can make the digital in+out better.

ps: i know that this card is not different from others and i could try other mods on it but as i am not experienced with this stuff i would like some help. should i change the OP amps and OS CONs? if so which ones should i choose? Am i going to get better sound with a modification using digital coax or am i wasting my time as digital is digital and it can't get any better (like analog)..?

Thanks!
 
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