which memcached gem?

What are the relative merits of the various memcached gems?

1. memcached (http://blog.evanweaver.com/files/doc/fauna/memcached/
files/README.html)
2. memcache_client (http://seattlerb.rubyforge.org/memcache-client/)
3. ruby-memcache (http://www.deveiate.org/projects/RMemCache/)

jdonnell wrote:

What are the relative merits of the various memcached gems?

1. memcached (http://blog.evanweaver.com/files/doc/fauna/memcached/
files/README.html)
2. memcache_client (http://seattlerb.rubyforge.org/memcache-client/)
3. ruby-memcache (http://www.deveiate.org/projects/RMemCache/)

***bump***

(I'd also really like to see an answer to this question)