Thing is, if you get stronger by using it, you'll out grow it in no time. Those max weights really aren't very high so I'd imagine you could max it out then you'd be stuck and unable to go heavier.
It really depends not on the max load but the individual load of each station.
For that price i'd be more tempted to get some kettlebells, some bands and a yoga mat and use the weights you already have and grab some routines of the internet or here.
I'd go with a basic incline/decline bench...I bought a couple of spotter stands for bench pressing....things like flys etc are always done better free....promotes good form and also engages secondary muscles