Fuck, half of them make it hard to find the enter link. And on 95% of them that you can find the enter link, once you click it you get pop-up hell. If you manage to keep your browser running they have so many traffic leaks that I am amazed any of them can make a sale.
Here's an example -
http://www.celeste-fox.com/
It, and some of her "friends" have great sites, but unless I host their tours myself, I just can't send a surfer into that mess.
I wish more sites would take a hint from WifeysWorld and give the surfer a decent experience.