Originally Posted by Hotrocket

Neither..first, forget anything but a .com
Second, 4 words? ..you don't want that, you want as short a domain as you can get if you intend for it to be remembered, written down or typed in..think LADI.com or LAdance.com style names.
If you are chasing SEO ONLY then maybe go w/ a hyphenated version and think keywords for your niche but thats a very marginal, if any benefit and not always the best choice in the end.