If you are for Google Bookamarks, you might be interested in about bookmarks importer from Del.icio.us to Google
Google Bookmarks needs still quite a lot improvements to become a competitior for other bookmarking services, but still it has it's advantages if you use also other Google's services. Google Bookmarks are also private. Persistent.info has a script for importing Del.icio.us bookmarks to Google. You can use the script on their website or copy the script and run your own copy.