The kid Mozzie pays to follow Neal is in fact Willie Garson's own son.
According to the commentary, Willie Garson left the velcro strips on his head for a few weeks to attach things like his wallet.
Jones brings up the Dutchmen as a case when Peter is putting together the special White Collar unit - the case Peter and Neal solve in the Pilot.
Jeff Eastin mentions in the commentary they wrote the plot of the '91 Bordeaux being bottled in the wrong bottle since he learned after the Pilot they had used the wrong bottle before.