Drich,
I would do a proverbial "spit take" if Festool released the TKS80 in North America. As others have pointed out, the parent company already has the SawStop portable saw here, and they'd mostly just be scrambling their own sales by releasing the TKS80. Never mind developing a 120V motor and electronics to distribute an expensive saw to a notoriously stingy market (North America).
That being said, if you're willing to consider the price range of a TKS80, I'd strongly recommend considering the ERIKA 85. At $4,500.00 it is not an inexpensive machine, but it is peerless in its performance, and is readily available. After the recent facelift, the ERIKA saws are only available in 240V, so if you have 240V in your shop you're already set, and if you need to use the machine on-site you can use a step-up transformer.
It its stock configuration, the ERIKA saws will crosscut ~12" and rip ~9", which is more than enough for most work. Wider rips I'd handle with my track saw, and longer crosscuts can be handled with an accessory sliding table or a track saw. If you need the extra rip capacity, there is a kit to extend the rip capacity to something like 32" or so.
Plenty of videos on YouTube showing the various accessories in action.
I'm currently running a 120V ERIKA 70, if my van were to get hit by a comet today I'd order a ERIKA 85 and step-up transformer in a heartbeat.
As Peter Kelly points out, if you're mostly working in your shop a Hammer K3 or even a B3 would serve you very well for a similar price, but it sounds like your preference is for a portable machine.
ERIKA 85:
https://www.timberwolftools.com/mafell-erika-85ec-pull-push-saw
Example step-up transformer:
https://www.voltage-converter-transformers.com/products/vt-4000-step-up-down-transformer-4000-watts