Last Supper and its relation to Passover

Here is an interesting article which tries to figure out the relationship of the synoptic gospels and John---it discusses Passover and its relationship too: http://www.herealittletherealittle.net/index.cfm?page_name=Last-Supper-Passover-Meal

More found at this site: http://www.brantpitre.com/excerpts.html