depends on what i need- the lqs, fabric.com (mainly backing, basics) bayside quilt company (panals, licensed fabrics)primative gatherings, wool central...
i shop around for what i need-looking for reasonable levels for free shipping, or good shipping prices, a good selection & good prices- but it just depends on what i need- if i know my lqs has it=i go there- if i know they do not i generally check fabric.com first (free shipping at $35 and i've been shopping with them for 11+ years) if they do not have what i'm looking for i check the fabshophop list of shops & browse/search for what i'm looking for.