You were suspended for high resource usage, meaning that your website was using too much CPU or memory - check what plugins you're using and disable any that use too much.
http://x10hosting.com/forums/useful-information/101463-user-groups.html
I'm not sure on this, but I think you have to be CA to reply to other people's posts, so 750 posts. I could be wrong, though.
You can send PMs when you get to 5 posts.
Use alt+cmd+e to purge your cache on Safari, or click "Empty Cache..." in the Safari menu.
We also have Wiki article which explains how to purge your cache from the other OSs: http://x10hosting.com/wiki/How_do_I_Flush_my_DNS_Cache
If you still can't view your website, wait a couple hours...