Do upgraded LAN cables/purifiers/switch box make a difference. What is recommended, if so?

I'm not entirely sure about the importance or effects of shielding, but I do know that the last cable that goes from the switch to streamer or streamer/DAC should be 2ft or shorter, must be unshielded to prevent RFI from reaching the DAC. The reduction in the noise floor is undeniable

I don't know if I’ll make it to Dublin, but as a South African, I’ll definitely be cheering for the Bokke!

Need to get an unshielded cable then. 

I assumed you were Irish! Bad assumption. Then again there are so many Saffas scattered around the world - shouldn't be surprised. Half the apartment building I stay in, are fellow South Africans, mostly all pilots with Etihad (me not pilot)

Always want to use CAT6 UN-shieled . If using shielded cables with Telegartner connectors, loosen the RJ45 and peal back the braided shield so now you have a shield drain. This is talked about at nauseam at Audiophile Style and at WBF. 

@foggyus91 

Thanks for that. Just saved me some money. I am expecting some shielded cables with Telegartner connectors in next 2 weeks. 

I'm only on this forum - and so it will stay. More than enough audiophile advice for me here

No, they don't make a difference. And purifiers are known to actually ADD noise.  Don't drink the snake oil that all these people are trying to shove down your throat. This isn't 1973 anymore.