Premier has good shears, they are not the very cheapest but good quality and good customer support. If you want more the general run-of-the mill Oster or whatever models, check around at Valley Vet, Jeffers, places like that for the best deal on the particular model you want.
Yeah never heard of them stores lol. Ill check em all out online. They just need to handle bout 40 or so sheep once a year. Its a small farm my inlaws own and now with my kids old enough to leave with grandma for a while my husband and i can tackle one sheep while my sis in law and husband get another.