upholstery fabric - best place online w/ big selection????

where is the best place online that has a HUGE variety of fabrics?

im kinda thinking of doing plaid inserts. just dont know cause i cant find any options...

i want to do some plaid/argyle accents on my yota and maybe the rc. another kick ass fabric is the carbon fiber shit suburus use in the newer stuff. its a 90* weave that has shiny verticle stripes and matte horizontal. looks really nice.

or use burlap.