Dave Doolin

Aweber Super Simple is a plugin that will subscribe a user whenever 
he/she registers to your blog.
The AWeber Super Simple options page allows you to configure the plugin to: 
* Choose whether or not to display the optin checkbox. Users may register if optin isn’t shown, and will not added to autoresponder. 
* Choose a checked or unchecked default status for the optin checkbox on registration. 
* Provide a custom optin greeting message for visitors
This code base is at least once, possibly 3, 3 or more times removed from what was the original 
code base. Wherever or whenever the ultimate source, the base code is old in WordPress years. 
Current effort is to bring everything up to 2.8 coding standards before attempting any extensions.
<h3>Support</h3>
Initial functionality will be supported on a time-available basis.
Installation, configuration and further programming support may be 
available on a contract basis. Contact author with request.

Aweber Super Simple

AWeber Super Simple allows you to subscribe users to an AWeber autoresponder when they register on your blog. NOTE: ALPHA VERSION.  Be careful.

WPMarmite

Aweber Subscribers Count is a simple WordPress plugin that displays the subscriber count of a specific aweber list.
The plugin has an option page in order to connect to the aweber account and select the list you want to use.
Paste the shortcode with your list name in any post, page or widget: [displaycount list=”your_list_name”]
You can combine lists using this shortcode : [displaycount list=”your_list_name_1,your_list_name_2″]
You can display your list count anywhere in your theme by using

Aweber Subscribers Count

Aweber Subscribers Count is a simple Wordpress plugin that displays the subscriber count of a specific aweber list.

Aweber Super Simple vs Aweber Subscribers Count