K10D and later compress the .PEFs and don't compress .DNGs. So it makes sense to capture in .PEF and convert to .DNG for processing.
BTW: if you do capture in-camera DNGs, you can run them through DNG Converter to compress them and save a good bit of disk space. -- Godfrey godfreydigiorgi.posterous.com -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

