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It is the only Wiki/Blog software with professional looking themes and a strong community of exports who can customize WordPress.
Requirements
- Allows multiple sites
Research
Multiple Sites
Start of multiple blogs instructions states that,
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Now, which method is better?
Separate
Well looks pretty straightforward.
Multisite Network
From Before You Create A Network, it has the following features,
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- Wordpress works differently
- Relatively newer concept and plugins often not written in mind
- Performance gain is negligible
Conclusion
Will go with separate self contained installs as the performance gain is negligible. Wordpress upgrades are straightforward so the maintenance gains are also negligible.