I got in too and it was pretty sluggish but they are still working on it. Beetlescott, the only thing I can think of is you are not using the address properly. If you are using the address that is in your history, then that will not work but otherwise no-one else seems to have a problem. Make sure you are using your bookmark or try to get in via
http://startrekkers.phpbbhosts.co.uk/index.php
The moderator section is not working just now.