As worn by myself, many swing dancers, and Paris Hilton:
http://www.remixvintageshoes.com/
Personal favorites:
http://www.remixvintageshoes.com/deco.html
http://www.remixvintageshoes.com/balboa.html
http://www.remixvintageshoes.com/piazza.html
Sorry, they aren't cheep!
I also like:
http://www.dancestore.com/Aris-Allen-Camel-1930s-Velvet-Oxford/productinfo/828-CA/
and
http://www.dancestore.com/Aris-Allen-Womens-White-RugCutter-Wedge/productinfo/157-WH/
Hope that helps!
If you can't afford these shoes, keep the design in your mind, or print out the photos and take them with you when you go to a shoe sale. You should be able to find something similar!