What headers work, and what don't?
I had Hedman "Aluminized" headers bought in 96. Biggest pieces of crap I ever monkeyed with. I had to jack the motor up on each side at a time. And to top it off, the flange was bent and it never sealed right even after beating it into place. They drug on the ground (had new shocks, was stock front end v8 torsion bars) and just overall a piss-poor header.
Of course we'd all love to pay the lower price for better headers, but thats not happening. Would you go to a gas-station that is known to have cheap gas simply because its cheaper, perhaps with the rationalization that you'll rebuild whatever damage is caused by this cheap gas every few years? Spend the extra money on pipes that don't scrape or drag and they will outlast the cheap stuff.
Keep in mind the time it takes to rip them out every couple years. My time is worth alot and would rather do it once than futz with it constantly.