What are some alternatives?
Lean Domain Search - Find a Great Domain Name w/ twitter handle availability
Weird One Character Domain Superstore - Weird and available one character domain names
Domainr - Domainr
Undeveloped - Domains you never thought were available
Wordoid - Wordoid is a web application which helps to solve a common problem
Picnic - The fastest, cheapest way to launch a new one-page website