Where Can I Find Vintage Kitchen Cabinets?

I recently purchased an older home and plan to do a complete renovation.  The kitchen is spacious and has two large windows that let in the morning light.  Instead of modernizing the kitchen, I want to keep the same look from the time the house was built.  I love the crown molding and hard wood floor, both of which I plan to refinish.  The cabinets are in poor condition and will have to be replaced.  I want to use Vintage kitchen cabinets in keeping with the original look of the room.  I have searched for used cabinets at antique shops and second hand stores without any luck.  They are either too expensive for my budget or need too much rehab to make them usable.  So where can I find Vintage kitchen cabinets?