I was told by a Pentax technician that the mirror box on the MZ-3 has a better anti-reflection coating and an improved shutter block.
As for the Battery Grip - I keep it on all the time. For my large-ish hands it makes the camera more comforatble and easier to balance. Pat _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .