It's like your basic vector editor -- most of the look and work the same.
Fireworks, besides the ugly Macromedia/Adobe GUI, was a hybrid Vector/Bitmap editor.
I like to be able to go back and edit my shapes, yet change the contents in ways that only a bitmap editor would be able to. Storing a history of the transformations I did and re-applying when I'd resized/changed the shape seemed sensible - as well as allowing me to go back in history and remove some.
As a self-taught designer, watching professional Photoshop users for the first time was mind-boggling: they make items and then throw them away and re-make them if they need a different size - or crop parts off, rather than masking. It's all destructive editing! I learned a lot about layers and could see the benefits of them, but still...
If I remember correctly Deneba Canvas supported the hybrid Vector/Bitmap approach, but never gained enough traction to be a viable product.
It was the only place i could get some vector work and still be pixel perfect.
Last used photoshop in 2006 and it wasn't even close.
...sadly gimp tries too hard to be a photoshop clone even copying the lame export dialog instead of save as...
The only thing really listed in this article that Fireworks hasn't done for years is the retina capabilities.
Fireworks blows sketch out of the water performance wise and also opens layered PSDs/copy and paste support for vectors from Illustrator.
Adobe killing off Fireworks just proves how little they understand the needs of their customers.
"Adobe" and "customers" go together in a sentence like "hacker" and "power outage"...
I am hopeful they will turn round the company, but it'll take a while.