Hey,
We could all bring different pieces and put the system together at the meet and hope for some amazing, lucky synergy...! (Really, I'd just like to try out Skylab's Leben, and the vintage Sansui sounds like a charmer too.)
I figured I could volunteer my speakers since they are fairly easy to transport, being of the smaller bookshelf variety.
Others may step forward who want to bring their setups and allow the whole community to benefit from sampling other equipment, and I would encourage them!
So, this will be my plan for the time being, pending input from others:
Bring my rig (laptop-->Cambridge DACMagic-->modded Music Hall Integrated-->both cans and speakers)
If someone brings another pre/integrated/amp, we'll put theirs in instead. My integrated is RCA-only. If someone brings other speakers, we'll put those in instead, and I'll just set up whatever pieces are left over as a headphone rig for the rest of the meet.
Disclosures:
--NB 1: as noted above, I've been having occasional channel failure somewhere between the amp and the speakers (the cables are still quite new so I'm discounting them). I mean this as A) total disclosure to avoid any flame attacks/tearful disappointment among attendees, and B) a ploy to motivate others to bring one or two alternatives. The system works, and sounds wonderful (in my humble opinion) - all you have to do is fiddle the volume control a bit, when the failure kicks in, which is only sporadically.
--NB 2: my speaker cables are shotgun bi-wire cables, banana connectors on all 12 ends, so if you bring your own speakers and want to maximize fidelity and your speakers won't work with this termination, you could bring your own cables (although the bi-wire cables should work just fine anyways). They're Morrow Audio SP3 and fairly musical and extended.
--NB 3: sadly (or, expectedly) my laptop is a crappy "enterprise" laptop from work that only has a USB output, which means the Cambridge DACMagic--which comes from days of earlier, simpler USB implementations--will only output 16/44.1. My desktop at home has an S/PDIF output that manages 24/192, and I do find that on my PCs S/PDIF high-res music sounds better (if mastered that way originally). Unfortunately, I politely decline to bring my entire desktop, which is a mini tower with 24-inch monitor and quite unwieldy for transport, so we'll be stuck with low-res USB only.
Again, if anyone else wants to offer their speaker rig, or only wants to insert one of their pieces anywhere in the chain, I'd encourage them and probably enjoy the results myself.