I cant find too much info on this but what are they exactly? Are they profitable to start minign and where do you exchange them? As difficulty goes up for bitcoin would it be more profitable to make namecoins?
You can exchange namecoins with sellers in forum threads around here, sellers on the dot-bit.org site
, or the namecoin exchange
. Whether it's profitable or not vs bitcoins depends on the difficulties of the two chains and the price you get for them. I'll leave that up to you to calculate. You can read more about what they are here