Follow-up... I swapped out cards and for the past 2 weeks or so I haven't seen any recurrence of the problem.
Knock on wood, it looks like my issue was card related. Thanks for all the help and ideas! Thanks! Ed http://www.flickr.com/photos/edkeeney/ -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.