Wiki Software/misc. recommendations

Life Technology
1

I’m going to setup a wiki and before I do I was wondering if anyone has any software (or other) suggestions for me. The one I’m looking at using now is here:
phpwiki.sourceforge.net/phpwiki/

2

I use Meatball. I know lots of people also like Kwiki.

3

I really, really like pmwiki:

http://www.pmwiki.org/wiki/PmWiki/PmWiki