If you're a DIY'er that set probably goes far beyond what you'll actually need. I have a few of the big sizes picked up cheap and I pretty much never use them. You could get smaller sets and save big money, then add any individual wrenches you find yourself needing.
I actually like the (now discontinued) USA made RP wrenches. Before they went Chinese some people here would bash them, but they were a good, basic wrench that was affordable and performed well.
I won't turn this into another COO argument, I'll only say I personally won't buy the new Chinese models.
Back on the original topic, since that's a big set I doubt they move many, so there's a good change you'll get older USA stock.
Here's a look at what you'd probably be getting:
http://www.garagejournal.com/forum/showthread.php?t=158492