try connecting threads- much better prices than your lqs for aurifil thread- i use it all the time too- great thread- they have a good thread selection at good prices- and free shipping at $50 so if you can stock up it is really a deal to not spend shipping costs.
i use lots of threads from connecting threads- the 100% cottons, the poly's the silks. they have a new machine quilting thread that is great- i just love their threads- great prices and great color selections