Setup Questions

I just signed up today and have gone through the panel and got many of my users, email addresses, and preferences setup. Now comes my problems:

  1. I try to log in with my username and password and I keep on getting invalid password on both ssh and ftp.
  2. How do I make sure my site looks good before I move my domain names over? Is there a temporary URL I can use or something?

I am sure there is more, but these are the two most pressing issues I have to start with.