Hallson usually has a large selection (9 0r 10) of dwarf Orientals. They're a darn good company and prices are reasonable. They grow most of their own stock. The website is: www.perennialnursery.com
I see Lowe's has a dwarf Oriental, After Eight, 3 in a pot for about $10.00. Sometimes they don't sell out and then get marked down to $5.00. I got a lot of my Dwarfs that way. I just grew them in their nursery pots till fall and then planted the bulbs and bulblets out when I planted all the rest of my ordered stuff. Keep an eye out at all the big box home improvement stores.
Dwarf Orientals have high bud count, are hardy and multiply pretty fast. I like them!