If you had to narrow your choices to 4 - 5 speakers

Bobag,

I think that you will find that many brands will be in their distributors booths, and not have their own booth. For example: Alta Audio will be in the Sohmer booths, Audio Physic will be in the Analog Matters booth, and Tannoy will be in the Upscale Audio booths

Here is a list of Axpona exhibitors fyi…

https://axpona.com/exhibitors/

Avantgarde, Dynaudio, Joseph Audio, Q, Totem (all there)

Marten Parker Duo

ATC SCM50

Go for the Audio Solution speakers very musical and balanced