AWS recently made some improvements to the EC2 tab of the AWS Management Console. It is now easier to access the AWS Marketplace and to configure attached storage (EBS volumes and ephemeral storage) for EC2 instances.
Read on a good post by Jeff.
This one is really simple, but definitely worth covering. You can now access the AWS Marketplace from the Launch Instances Wizard:
After you enter your search terms and click the Go button, the Marketplace results page will open in a new tab. Here's what happens when I search for wordpress: