Saw a thread on trimmers on the reloading forum. Someone recommended the Little Crow Gunworks World's Finest Trimmer. JB said it was good.
I bought one in 6.5 Creedmoor because I knew I was due to trim on my next loading. 700 cases!
I trimmed them in less than 1 hour. Consistent to .001".
AWESOME!
http://www.littlecrowgunworks.com/wft.html