Couldn't agree more! $70+ for a freaking "golf" polo shirt or pair of shorts?! $150+ for a pair of shoes! $400 for a driver?! They're all fighting for that upper middle class (or higher) customer, since that's the only demographic that spends any considerable amount of money anymore. But on the flip side, I bet they'd generate less revenue if they cut the price of clubs. It would just shift the entire price bands downwards, so stuff on EBay would be half what it costs now and the bulk of players would still buy from that secondary market. If they want to sell new they have to find a way to kill the secondary market, most likely through some kind of DRM-type technology. That's easier with digital goods than it is physical goods, but don't surprised when they figure it out!
Aside from getting fitted for a set of irons, anyone that buys retail is just throwing money away. There's dozens of drivers, woods and wedges available on EBay every day. And it's just a few bucks to have them re-gripped or the shaft tweaked from there. I've built an entire woods and wedges collection for less than $300 on EBay over the past 2 months and none of the clubs are more than 2 years old or look any different than if I bought them at retail and played for a couple weeks. Even for irons, I'd at least look at the secondary market first and take them to a pro to have them tweaked for me.