If you have the right tools and skills you can build yourself a kick ass power rack.
You have seen the wooden Power Racks.
But this awesome piece of craftsmanship is the best diy power rack I have seen so far.
Costs: around $400 US
Read this post for a complete explanation.
Plan:
Finished Product:
Awesome work. Now just take my money an’ give me the plans!
Most steel yards will drill or plasma cut the holes for you at very little cost.