Generally speaking, pretty much any western saddle that sells for less than $500 new is going to be a piece of junk. I'm sure there are some smaller private makers out there that are exceptions (like Corriente, they are relatively inexpensive, but still good quality), but any mass produced saddle that runs that cheap is going to be something made in India or Pakistan or Mexico out of a cardboard tree and sub-par quality leather.
Have you searched your local craigslist or even Ebay
for a used name brand saddle?
Oh, ETA, if you start browsing Ebay, avoid those "saddle packages" like the plague.