If you login for the first time ever then the login might be a little slower. This is because your browser has to load a lot files to your computer and store them in the cache. The next time you login it will be much faster.
If you can't seem to login them please try the following url:http://replacethis.sensualwriter.com/wp-login.php
(don't forget to replace 'replacethis' with the subdomain of your blog)