They say all the plans and promotions are regional, but I don't think there's much variance in text packages. Here's our current list (note all packages include picture, video, text, and IM):
$4.99 - 200 messages
$9.99 - 400 messages, 1MB of internet
$14.99 - 1000 messages, 5MB of internet
$19.99 - 3000 messages
$19.99 - 200 messages, unlimited internet and video
$29.99 - 1000 messages, unlimited internet and video
$39.99 - 3000 messages, unlimited internet and video

You can also add 1MB of internet to the 200 or 3000 message plan for $4.99.