The older and more experienced I get, I firmly believe that the only thing limiting someone from getting a quality workout is their own desire and imagination.
So yes, you can get a quality workout in that gym. You can also get one with just your bodyweight.
Definitely incorporate both, and what is stopping you from investing in a few things to have at home?
Build some homemade suspension straps and you just opened up another area of exercises to do.
http://rosstraining.com/blog/2010/01...nsion-trainer/