Hi Maggie
Free is tough to beat and $65/100 is great for heavy use. Usually overseas shipping is high. Another option is W&G needles sold on ebay, new old stock, in a wooden tube marked "Boye" with "20-1/2" stamped on cap. Definitely worth having an ebay account for any sewing supplies as the Sew n Vacs are fading away, at least around here. The Boye needles are expensive but if the machine is used only on occasion not too terrible.
Jon