There are some good finds there but I already only pay about 20CHF a months for 2 sim-cards and I do like the flexibility you get with the sunrise subscription so I think I will stay for a while. I could probably go <10CHF a month with the prepay options without the 2. sim-card.
The LTE Modem in my notebook is a luxury I rarely use but when I do it is pretty neat and with sunrise you can get Unlimited internet on a daily base so I mostly use it during skiing holidays and such.
I am a bit too much of an internet power-user to live with a LTE connection as my primary for extended periods XD. Give me the 10Gbit fiber (not supported where I live sadly). For normal user this should however not be a problem as ling as not everybody is doing it. It is going to get much more interesting when 5G catches on, that stuff has some insane capacities.