Need Opinions for Different Cable Manufacturers/Cable Designs

I have a McIntosh 200wpc receiver [MAC7200] and Focal Sopra 3 speakers - and am using low-grade cables. I'm looking to vastly improve my system with a complete cable upgrade. I like a warm sound with lots of clarity and detail and naturalness. I have been reviewing tons of literature and am intrigued by Cu/Ag and Cu/Ag/Au combinations. I will probably buy used, and look at offerings in the midrange to lower high-end range of products. Cannot afford the best each manufacturer has to offer. Looking to spend up to $2,000 for 3m speaker cables and up to $700 each for RCA and XLR cables. Again, I hope to buy used.

I am interested in opinions on the following manufacturers:

AUDIENCE

DH LABS

PURIST AUDIO DESIGN

SILNOTE

SNAKE RIVER

Please feel free to offer your opinions on these and any other recommendations you may have. I really appreciate your time and advice!! Thanks!