Ever since the 1.0 release build, it's been running like mud on anything but a decent PC on 64 bit. 32 bit I've heard is still really broken.
I've supported this game since they started asking for funding help, and it's generally been a really fun game to play. Even for roleplaying it can provide an immersive environment. You can get super in to the wiring stuff as well, but I'd be careful with that. It can really lag a PC/server down if you use too much of the non-simple stuff.
I remember one time I spent a good three days last summer building an underwater research center with a control center room for the moderator to mess with people in the building. It was awesome, when my server wasn't melting down from how many stupid complex wiring systems I put in it :p I actually had a fully functioning air lock on both ends of the facility. It was so GODAMN COOL. That was the hardest part of the build if I'm honest. Took so long to get that thing right. It probably had 30 switches of various types attached to it so that the timing, lighting, drains, doors, and all that was timed just so to provide a proper show.
We could do everything from "melt down" a section of the center for a while so people inside the area would be poisoned, to breaking a section of the super thick reinforced wall in a handful of places, which would dump infinite water in to that area of the base until it was fixed. Players also had a little command center so they could disable the automatic locks that the doors would put in place for these events. Every door on the base had a motion and a water sensor connected to them, so that if anybody approached them or any water/lava/poison/fluid was near it, they'd be automatically locked down. Tried doing alarms, but they were causing too much lag and bugging out for some reason. I think it was the 1.02 build.
It was great... I don't think I have the old universe files for that server anymore though. Used to run it on a VM on my PC whenever my friends and I wanted to play for a night. rambles on