Yes, you can get cheap domain names, but they'll usually be worse that whatever nonsense you think up. Look at those links you just posted. Anything near the going price of a domain name is going to be absolute crap. Here's the first page of the Godaddy auctions page:
We bought Locately.com. I don't know if we're not creative enough, but it was much better than anything we were able to come up with which wasn't registered. And having a better name is definitely worth the small amount of money we paid for it.
