There is built-in importer

Dreamweaver pages not updating template

Through the use of

Through the use of plugins you can extend its functionality and let it grow as big and complicated as you want. Hats of to their team, they are doing a great job.

It depends on what you need to add or adapt. Joomla brings out new major upgrades on a regular basis. Dreamweaver provides a script mode option to assess the code which is generally used by experienced developers.

You have to follow a certain order over actions to make it work, but it is very powerful. The extensions are available for simple web development tasks such as rollover effects to complex heavy-featured shopping carts. Luckily, there are many video tutorials available on YouTube.

Hats of to their team

DreamWeaver is built to support third-party extensions which help to extend core functionality of a web application. This works very well but it is not that simple. Use the paid versions since the free ones only cover a part of the vulnerabilities. You really should get a good book on Joomla if you want to set it up fast. There are an umpteen number of extension developers who develop and make extensions available both for commercial and free use.

It is fine to start out with, but once you get serious traffic, move to a dedicated server or Virtual Private hosting. Dreamweaver is available for both Windows and Mac platforms. That said, shared hosting is generally slow. This will allow you to concentrate on using a the tool rather than how to use it. Widgets can help compensate for the lack of a strong menu system like Joomla, but it helps and it is quick to setup with the drag and drop feature.