Hrm...are you running significantly higher detail levels than your computer can handle? For I can run on my recommended settings (and slightly higher) and it runs at a playable speed for me. I get major slowdowns when I'm running 16x filtering/6xaa, as well as high shaders, textures and models, but that's sort of expected ;< - I'm not sure what you consider 'good' performance, too, so we could both have our own ideas about it.
Thanks for the comments, Dr Glass, as well. Those errors you're recieving are coming from my phys_override ents - For some reason the models don't settle well with prop_physics (some of the rooftop lettering and the window bars) and they don't like static either - Just slapped 'em on an override and they worked fine ;p
I'll fix the truck and include the models again when I recompile. I'll move the phys props again, too, thanks. I keep messing with my light beams but I can't seem to find something everyone likes

- I do want a beam coming from them (check some darker areas at rainfall and you'll often see a bit of a beam - Perhaps they should be shortened? Or just colored sprites? Not sure where to go with them.)
The green light is a decal, can't change it much :sad: - If it would be better, I can 'fix' one of the lights there to be flickering or something and casting enough light to mess with the green a bit.
The major problem I'm having with skyboxing everything is that A - I've already done all the displacements (Which don't like to be scaled) and B - I'm using copious amounts of props in my 'skybox' which cannot be scaled as well, unfortunately. I can shrink a few things but I don't think the gain in performance is worth it.
Unfortunately, the contest entries (I've found another to enter too ;o) are due shortly, so I'm trying to limit the amount of things to change unless they are severly impacting.