I have fiber (GPON) in Alberta.
What you are looking at in your Telus install is close to the raw fiber itself which is probably 9/125um, where in the datacenter, the patch cords you see could be a 9/125um fiber (if it is single mode fiber) with a 1.6mm or 2.0mm jacket including protection, etc. There are so many different types of buffers and jackets, etc. You are probably actually using multimode in the datacenter but anyway, as for your question about the performance of Telus' fiber.
The fiber itself is great, it has been up and running for 7 months now and I haven't had a single issue. I get 24/3 for internet speeds 24/7/365 regardless if I am using 3HD streams as I think the actual rated speed of Telus' current GPON profile is 37.5 down which means there is plenty of overhead for the TV traffic. Telus has some strange peering, most of my traffic (from Alberta) heads east and routes through Chicago / NYC, if you're not a gamer then I wouldn't worry about it.
As the TV part itself, I like having one PVR, the hardware is inexpensive. My only issues with the TV at the moment are if you record a show on your PVR, and watch it using remote playback on a non-PVR STB, it will lose its connection mid-show, and you will either have to wait for the Recordings list to repopulate itself or reset the STB. I don't mind when it happens once and while, but 5+ in a the span of a one hour recorded program is quite annoying.
And the odd time when I am watching a show, the audio will go all garbled, changing the station and back again seems to fix the problem, it is very rare.
Other then that, I've been a happy customer. The fiber is the only reason I decided to give Telus a shot and so far I don't regret it.