It's probably the DNS propagation that takes a little while, it could take up to 48 hours. For now, use the .com (this is now the main url anyway, the .net is the alias).
"Few people understand the psychology of dealing with a highway traffic cop. Your normal speeder will panic and immediately pull over to the side. This is wrong. It arouses contempt in the cop-heart. Make the bastard chase you. He will follow." - Raoul Duke