Sounds like you have the basics.. But there are so many other notions that are just handy..
Roxannes basting glue
Glue sticks
Wand magnet
thread catcher (mines an empty kleenex box)
specialty rulers
Stiletto ( Mines a wooden bamboo skewer)
marking pencils
Teflon sheet for appliques
Walking foot - MUST HAVE
Starch- ANOTHER MUST HAVE