Yes, you need the updated version of the plugin to get the MailChimp integration. This link will help:
This link will help you with that:
http://www.tipsandtricks-hq.com/forum/topic/how-and-when-do-you-get-an-update
"those of us that use squeeze pages can get a lot of 'fake' email addresses" - Remember, if an email address already exists for a product then it won't add it to the customers database. So even if you fill in the squeeze page 100 times you will only be added to the list once.