I think this one is awareness of the title, I mean really if you look at the market place the rate of listing it is a little higher for cactus canyon than champion pub if you account for number produced cactus canyon is sitting at 69 listed vs 87 for champion pub and with the total number of CP's out there it should be around 50% higher.
I've actually only seen in person or played one champions pub ever and I've owned it for around 9 years, I've played several cactus canyons. There are actually less ratings for this cactus canyon than champion pub on the top 100 so maybe it's not just me.
Usually every high priced old Bally title gets there from a hype thread or 2 going on pinside and they sky rocket in price. Champion pub just hasn't ridden the price pump train yet for some reason, are you hordeing a pile of CP's and planning to price pump till Christmas?
Champions pubs here get'em while they're hot!!!