I've been a member of 3 gyms in Taiwan in the last 7 years (California, Alexander, and now True)
There are a few things at True that I don't like, but overall my experience has been great, far better than any others and also a lot better than the community centers. As of now there is just the 1 location for weightlifting at Guting station, but they have plans to build a 2nd gym below the True Yoga at the City Hall Station.
I've also noticed a massive influx of foreigners in the last 3-4 months, especially younger guys in their early 20's. The price was reasonable when I joined years ago and I think due to all the recent interest from the younger foreigner crowd it's quite possible their prices have come down even more.
It's a pretty big gym with every machine you'd ever need, all the free weights and dumbbells (up to 120's) and a bunch of cardio machines. Of course there are classes as well if that's your thing.
If the location is convenient for you I'd say it's the best gym in the city.