Always down
http://dwarfpool.com/max
http://max.1gh.com/
http://ypool.net/


low block find/pool hash rate?
http://maxcoinpool.com/
http://max.rocketpool.co.uk/

seems okay..
https://max.suprnova.cc

highest hashrates and uptime but doesn't accept new people
http://max.smalltimeminer.com/

any others?