Like children’s names, you should think of all possible combinations of your website. Don’t presume that your website will look the same after you have removed the spaces! Here are some more sites along the lines of the wonderful Pen Island. I also love the fact that Pen Island feels the need to have this on their site:

Don’t be fooled by those imposters at www.penisland.org, or www.pen-island.net, we’re the real deal!

As if anyone would want to copy that name for pens! My favourite after PI is the Therapist Finder. If only they had seen the Arrested Development episode where we all found out that calling yourself a combination of an analyst and a therapist ie an analrapist is a bad idea.