These, IMO, are the best crackers
hands down but they're local -- I guess you can get them on Amazon though. (I wasn't sure if I should put this in the regional food thread but this thread is probably more appropriate)
"Original Trenton Crackers":
These are great for soup, etc. or for eating with just grated horseradish . . . most seafood places in NJ have OTCs and horseradish on the tables. For soup, I usually take a couple/three in my fist and crush them together over the bowl.
This is how you usually get them at the Lobster House in Cape May: