Just give it a go and see for yourself.
Pros:
- Simplified products (just wood, leather, meat etc) really make it easier to navigate your stockpiles screens
- New races. I recommend turning on White Tigermen, Succubi and Pandashi especially. This makes world much more vibrant and alive than vanilla
- New buildings and reactions. You can use them, but you don't have to. Some are the ones you might always wanted in vanilla
- Uses DFHack, which lets you to utilize a wealth of commands like clean all for example or exterminate undead to get rid of those indestructible hairs etc.
- New weapons (many optional), plants, clothes etc
- New creatures( most optional)
- Other mods that you can turn on or off (like the Return of the deep ones)
- You can play other civs than dwarves. Strongly recommend.
- Updates weekly
Cons:
- Depends on DFHack, so far no 64bit version. We are at 0.43.03.
- Sometimes gets buggy (I usually fix stuff for myself merging new files from new versions back to my current one)
- Some races in config menus are not that obvious. Beak wolves are useless. Ferric Elves are a good source of Iron.
Pandashi are amazing civilized race that sends out many schoolars. White Tigermen are more aggresive and succesful in wars than Goblins. But until you see them in game you will never tell from missing descriptions.
- Limited by DF features. This is bad thing because some of the things in Masterwork are sooo awesome, getting some dev support for them would be great. But as it is now they are limited to what options basic DF provides.
- You need to generate worlds with shorter histories due to the increased activity and interaction between civilizations. Worldgen can rapidly go into millions of events than crash. I usually give it 200 years because afterwards it gets very messy.
Masterwork DF is a mod that stays true to vanilla DF in a sense of the way it should be played. It is not a 'total conversion' like some others mods, it is simply greatly enriched vanilla DF.
Strongly recommend.