Steve
GBA great open source CMS It's a great easy to use CMS with an amazing bunch of extensions from ecommerce to Event bookings. Easy to update and pretty fast to. Loads of templates available for you to use.
Ed Kelly
USAwesome CMS I stumbled upon Joomla! in a Web Tech class at West Chester University and have been using it ever since. It's easy to use and has tons of extensions, both free and paid, to compliment your site. They're constantly updating the framework and keeping the coding up to date.