I use Roxanne's...betweens...usually size 11 or 12. The 12's can be really, really, tiny and a bit bendier. The 11's are definitely easier to work with. I order them online usually. Although I see you're in Lancaster...I believe the quilt shop off by itself in Bird-in-Hand (sorry, can't remember the name of the shop despite it being one of my favorites) carries Roxanne's in their downstairs section. I believe there are a couple of other shops in the area there that carry them as well. My LQS here does not. Prices seem to be about the same between the shops there and any online sources I've found.