I have an EdgeRouter Lite ($100 or so) and an older UAP regular/non-pro Wifi AP.
You can install it on your personal computer, but you loose some functionality and you would only be able to configure the devices from that specific computer.
Thats holding me back from going with unifi wifi even if I am very happy with their edgerouter series.
Unfortunately I cant really find good competitors to unifi in the same price range.
Before I switched to Unifi I had a couple of these devices. Managing each of them with their own crappy web interface was a nightmare.
But I guess this boils down to being a matter of taste in the end. After all, the Unifi product line is not primarily targeted at home users.
I have an EdgeRouter POE and a UAP-lite - might've gotten the cheaper edgerouter if I'd realized the UAP single-pack comes with a power injector. I wouldn't buy the edgerouter POE again, as it uses non-standard passive POE. If I want to be "safe" about the cables I'm running, I'm going to have to buy this device: http://tycononline.com/TP-POE-2456D-24VDC-Passive-POE-IN-to-...
EdgeRouter X + UAP-lite would be around $130.
Not having all the functionality in one device helps a lot as well. Not satisfied with your AP anymore? Buy a new one. No need to change anything about the router and other network infrastructure.
My experience with these Ubiquiti Networks devices has been great so far. The APs are extremely stable and it's easy and reliable to extend Wifi networks by adding new devices later if needed. Also, I personally prefer one device doing one thing, i.e. having the AP not do the routing. The USG will act as a DHCP and firewall in this setup.
With regard to the admin experience: With the Ubiquiti devices, you don't have an admin interface on the device. You use a controller which runs on a client or server that you already have. The controller software is sophisticated. You could run it on a docker host on your NAS or on your local laptop or desktop. This way you can manage the whole network without having to rely on one device.
* Unifi Security Gateway: https://www.ubnt.com/unifi-routing/usg/
* Unifi AP AC Lite: https://www.ubnt.com/unifi/unifi-ap-ac-lite/
* Unifi AP AC Pro: https://www.ubnt.com/unifi/unifi-ap-ac-pro/