What about Thomas & Betts Sta-kon crimpers?

ERG-2002 for non insulated.
ERG-2001 for insulated.

http://www.tnb.com/ps/fulltilt/index.cgi?part=ERG2001

I have a paladin that I like
http://www.paladin-tools.com/view_category.php?id=181

Once you use a nice crimper, you will never use one of the cheap-o $2
ones again.

Todd