Even though the Orbi is pretty expensive and might be overkill for the size of house I'm looking at, I still love the sound of how fast it is and how we'd have great coverage in all corners of the house.
I think I'd rather pay a bit more for overkill than go cheaper and worry about deadzones or drops. Plus I already got one giftcard this Christmas, so if I get any more I should be able to get it for a pretty reasonable price. I just hope Best Buy will price match Amazon's $300 for it (my giftcard is Best Buy and they are selling it at $350).
Best Buy will price match Amazon as long as Amazon itself is selling it and not a 3rd party.
I recently upgraded my Wi-Fi and tried three systems, the Netgear Orbi, the Linksys Velop, and the Google WiFi (all three packs). I have slightly different needs than most, as I use a wireless HDMI transmitter that also uses the 5 GHz band.
The Orbi produced the most solid coverage but because it used so many channels on the 5 GHz band, it seemed to interfere with the wireless HDMI to the point where I no longer could get a picture on the projector. (This is true even if you have the latest firmware and are using wired Ethernet for backhaul.) Additionally, something was causing the Orbi to reboot constantly (and reboot times are terrible on the Orbi, seems like 1-2 minutes to reboot). It seems like a fairly common hardware problem and it if didn't knock the wireless HDMI offline I might have exchanged it for another to see if I could get a working unit. The Orbi also has the best advanced features like a built in OpenVPN server and some limited dynamic DNS support.
The Velop was the worst of the three IMHO. The setup experience is horrible (it would keep telling me that my satellite was "off the map" even when it was 10 feet away in the same room), the only way I was able to get the satellites connected was to cancel the setup and upgrade the firmware on the base node first. (Each failed attempt was frustrating too as the reboot times are similarly terrible on the Velop, it would take probably 5-7 minutes for each failed attempt to add a satellite node.) Even when it worked it never felt as solid and one of the satellites would periodically drop connection to the main node (but hold onto the clients connecting to it, resulting in all of them not being able to access the internet for a couple of minutes) despite having a wired connection for backhaul. (Annoyingly, there doesn't seem to be a way to confirm a satellite node is using wired Ethernet for backhaul, the Linksys app has very few advanced options available.) On top of all that...it killed my wireless HDMI as well, although not as thoroughly as the Orbi as it would sometimes connect for a few seconds here and there.
The Google WiFi is what I ended up keeping, the setup experience is easily the best of the three and everything just worked. It's wireless AC is not as fast on paper, which is probably why it coexists nicely with my wireless HDMI. (Only the Orbi had some limited control over which channels it will use, and even then nothing seemed to matter as far as coexisting with wireless HDMI.) The nodes do seem to have somewhat less range than the Orbi or the Velop but the three pack easily had enough coverage for my house. It's also way cheaper than the other two ($270 on sale vs. $400-500) so it was hard to be motivated to try other solutions (Eero, or Ubiquiti APs) once I got it working.
If you don't use wireless HDMI and you're comfortable tweaking your existing router, I'd recommend trying to get a working Orbi. If you just want it to work without any headaches then Google WiFi is probably what you want. Even though the Google WiFi is slower on paper it still feels fast enough (I have a 300mbps connection) and there is something to be said for how stable it seems to be so far.
Or to summarize my experience...
Advanced features: Orbi > Google = Velop
Signal strength: Orbi > Velop > Google
Ease of use/setup: Google > Orbi > Velop
Stability: Google > Orbi (assuming mine was defective) > Velop
Value: Google > Orbi > Velop