Creating a new company fails with "Domain is Invalid" error

Using http://getsatisfaction.com/companies/new I'm getting a "Domain is Invalid" error adding a company. The domain name has a dash in it, which could point to an overzealous validation routine. Also, on refreshing with the error message, the additional links at the bottom of the page then shows an entry that wasn't there before with the text description saying #{this.label} and the url part showing http://

I've also noticed some minor layout issues when using the site with Safari 3 beta (such as the cancel links on the additional links section overwriting the url input box.)
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