I use Jenna Kimbell (Foxglove Cottage) needles - Straw size 9. They are the finest needles I've every used. Strong, but slick as a whistle for slipping into the fabric. If your LQS doesn't have them, here is the link. I bought 5 pkgs. of her size nine embroiderys at $3.00 per package. S&H was $3.50. Shot them to me in the mail. I just ordered 5 packages of straws while I was there getting the link. I should have them by Wednesday as she ships so quickly!
http://www.jeanakimballquilter.com/store/