|: It didn't really looked like they knew something about it. Is there anything sensible to say about what a boot must have to be a "good" vertical quad skate boot. Can I use a Dr. Adams for example?
What's a Dr. Adams?
: Any tip for wheels? size and hardness?
: I would love to ride powell skateboard wheels for sentimental reasons. Not good idea?
That's perfectly OK. You can ride big and hard wheels on your ramp roller skates. You're not as limited in hardness and size as with inlines. Have a look at my "How to build a vertical rollerskate" for some tips.