One of those sites which falls into the category of one which I check obsessively but do not talk about enough is Reprodepot Fabrics. They ship very fast and I love everything they have — fabrics, buttons, patches, ribbon, stuff to wear, stuff for the home, and patterns (including the Amy Butler Country Living stuff, which has some great patterns for bags). They also carry oilcloth, and keep that sushi fabric in stock. So, if you have not yet, I insist that you take a look.
Some stuff which catches my eye: